QA catalogue for analysing library data

by document types: all · Books · Continuing Resources · Music · Maps · Visual Materials · Mixed Materials · Computer Files

number of records: 2,270,472

Fields		fields	pos./subf.		count	%
Fields defined in MARC21
00X	Control Fields	3	79		2,270,472	100.00
01X-09X	Numbers and Code	37	182		2,257,356	99.42
1XX	Main Entry	4	52		725,080	31.94
20X-24X	Title	8	68		2,269,415	99.95
25X-28X	Edition, Imprint	8	36		2,076,316	91.45
3XX	Physical Description	19	94		1,863,415	82.07
4XX	Series Statement	1	5		450,364	19.84
5XX	Note	42	196		714,528	31.47
6XX	Subject Access	12	138		965,141	42.51
70X-75X	Added Entry	10	99		1,180,413	51.99
76X-78X	Linking Entry	14	142		438,207	19.30
80X-83X	Series Added Entry	3	30		1,398	0.06
841-88X	Holdings, Location, Alternate Graphics	7	73		514,841	22.68
Holdings	MARC Holdings tags	1	6		820	0.04
Fields defined in extensions of MARC
OCLC	OCLCMARC tags	1	3		923,299	40.67
KBR	Locally defined tags of the Royal Library of Belgium	1	9		1,754,426	77.27
unknown	unknown origin	8	28		684	0.03
Total number of data elements		179	1,240

				records		occurences
				count	%	count	min	max	⌀	σ
00X: Control Fields
Leader
00	Record length			2,270,472	100.00	2,270,472	1
05	Record status			2,270,472	100.00	2,270,472	1
06	Type of record			2,270,472	100.00	2,270,472	1
07	Bibliographic level			2,270,472	100.00	2,270,472	1
08	Type of control			2,270,472	100.00	2,270,472	1
09	Character coding scheme			2,270,472	100.00	2,270,472	1
10	Indicator count			2,270,472	100.00	2,270,472	1
11	Subfield code count			2,270,472	100.00	2,270,472	1
12	Base address of data			2,270,472	100.00	2,270,472	1
17	Encoding level			2,270,472	100.00	2,270,472	1
18	Descriptive cataloging form			2,270,472	100.00	2,270,472	1
19	Multipart resource record level			2,270,472	100.00	2,270,472	1
20	Length of the length-of-field portion			2,270,472	100.00	2,270,472	1
21	Length of the starting-character-position portion			2,270,472	100.00	2,270,472	1
22	Length of the implementation-defined portion			2,270,472	100.00	2,270,472	1
23	Undefined			2,270,472	100.00	2,270,472	1
001 — Control Number				2,270,472	100.00	2,270,472	1
003 — Control Number Identifier				429	0.02	429	1
005 — Date and Time of Latest Transaction				403,578	17.78	403,578	1
006 — Additional Material Characteristics
All Materials
00	Form of material			25,432	1.12	25,432	1
Books
01	Illustrations			25,432	1.12	25,432	1
05	Target audience			25,432	1.12	25,432	1
06	Form of item			25,432	1.12	25,432	1
07	Nature of contents			25,432	1.12	25,432	1
11	Government publication			25,431	1.12	25,431	1
12	Conference publication			111	0.00	111	1
13	Festschrift			111	0.00	111	1
14	Index			111	0.00	111	1
16	Literary form			111	0.00	111	1
17	Biography			103	0.00	103	1
007 — Physical Description
Common
00	Category of material			289,823	12.76	315,905	1	2	1.04	0.00
Electronic resource
01	Specific material designation			58,988	2.60	84,304	1	2	1.34	0.00
03	Color			25,411	1.12	25,411	1
04	Dimensions			25,411	1.12	25,411	1
05	Sound			25,411	1.12	25,411	1
06	Image bit depth			25,411	1.12	25,411	1
09	File formats			25,411	1.12	25,411	1
10	Quality assurance targets			25,411	1.12	25,411	1
11	Antecedent/source			25,411	1.12	25,411	1
12	Level of compression			25,411	1.12	25,411	1
13	Reformatting quality			25,411	1.12	25,411	1
Map
01	Specific material designation			2	0.00	2	1
Notated music
01	Specific material designation			98	0.00	98	1
Nonprojected graphic
01	Specific material designation			18,779	0.83	18,779	1
Sound recording
01	Specific material designation			218	0.01	218	1	2	1.00	0.00
03	Speed			4	0.00	4	1
04	Configuration of playback channels			4	0.00	4	1
05	Groove width/groove pitch			4	0.00	4	1
06	Dimensions			4	0.00	4	1
07	Tape width			4	0.00	4	1
08	Tape configuration			4	0.00	4	1
09	Kind of disc, cylinder, or tape			4	0.00	4	1
10	Kind of material			4	0.00	4	1
11	Kind of cutting			4	0.00	4	1
12	Special playback characteristics			4	0.00	4	1
13	Original capture and storage technique			4	0.00	4	1
Text
01	Specific material designation			212,499	9.36	212,501	1	2	1.00	0.00
Videorecording
01	Specific material designation			2	0.00	2	1
03	Color			2	0.00	2	1
04	Videorecording format			2	0.00	2	1
05	Sound on medium or separate			2	0.00	2	1
06	Medium for sound			2	0.00	2	1
07	Dimensions			2	0.00	2	1
08	Configuration of playback channels			2	0.00	2	1
008 — General Information
All Materials
00	Date entered on file			2,238,085	98.57	2,238,085	1
06	Type of date/Publication status			2,233,266	98.36	2,233,266	1
07	Date 1			2,233,266	98.36	2,233,266	1
11	Date 2			2,233,266	98.36	2,233,266	1
15	Place of publication, production, or execution			2,233,262	98.36	2,233,262	1
35	Language			2,219,242	97.74	2,219,242	1
38	Modified record			2,219,211	97.74	2,219,211	1
39	Cataloging source			2,219,151	97.74	2,219,151	1
Books
18	Illustrations			2,233,262	98.36	2,233,262	1
22	Target audience			2,233,259	98.36	2,233,259	1
23	Form of item			2,233,259	98.36	2,233,259	1
24	Nature of contents			2,219,298	97.75	2,219,298	1
28	Government publication			2,219,298	97.75	2,219,298	1
29	Conference publication			2,219,298	97.75	2,219,298	1
30	Festschrift			2,219,297	97.75	2,219,297	1
31	Index			2,219,297	97.75	2,219,297	1
33	Literary form			2,219,297	97.75	2,219,297	1
34	Biography			2,219,297	97.75	2,219,297	1
01X-09X: Numbers and Code
010 — Library of Congress Control Number				3,439	0.15	3,439	1
$#	number/occurrence of field (in KBR version)			937	0.04	937	1
$a	LC control number			3,438	0.15	3,438	1
$b	NUCMC control number			3	0.00	3	1
$z	Canceled/invalid LC control number			9	0.00	11	1	2	1.17	0.07
013 — Patent Control Information				11	0.00	12	1	2	1.03	0.03
$#	number/occurrence of field (in KBR version)			10	0.00	10	1
$a	Number			11	0.00	12	1	2	1.03	0.03
$b	Country			5	0.00	6	1	2	1.05	0.04
015 — National Bibliography Number				466	0.02	467	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			462	0.02	463	1	2	1.00	0.00
$a	National bibliography number			466	0.02	467	1	2	1.00	0.00
$2	Source			458	0.02	459	1	2	1.00	0.00
016 — National Bibliographic Agency Control Number				418	0.02	422	1	2	1.01	0.00
$ind1	National bibliographic agency			418	0.02	422	1	2	1.01	0.00
$#	number/occurrence of field (in KBR version)			417	0.02	421	1	2	1.01	0.00
$a	Record control number			418	0.02	422	1	2	1.01	0.00
$2	Source			415	0.02	418	1	2	1.01	0.00
017 — Copyright or Legal Deposit Number				389,543	17.16	399,869	1	254	1.03	0.00
$ind1				3	0.00	3	1
$ind2	Display constant controller			389,543	17.16	399,869	1	254	1.03	0.00
$#	number/occurrence of field (in KBR version)			142,914	6.29	144,883	1	45	1.01	0.00
$@	Language of field (in KBR version)			2	0.00	3	1	2	1.50	0.35
$a	Copyright or legal deposit number			386,566	17.03	396,931	1	254	1.03	0.00
$b	Assigning agency			63,590	2.80	63,629	1	16	1.00	0.00
$i	Display text			6	0.00	14	2	3	2.33	0.12
$z	Canceled/invalid copyright or legal deposit number			837	0.04	848	1	4	1.01	0.00
$6	Linkage			10	0.00	36	2	6	3.60	0.33
020 — International Standard Book Number				892,745	39.32	930,158	1	200	1.04	0.00
$#	number/occurrence of field (in KBR version)			215,284	9.48	222,168	1	84	1.03	0.00
$@	Language of field (in KBR version)			3	0.00	4	1	2	1.33	0.25
$a	International Standard Book Number			595,634	26.23	621,280	1	100	1.04	0.00
$c	Terms of availability			548,916	24.18	552,522	1	63	1.01	0.00
$q	Qualifying information			38,396	1.69	42,449	1	84	1.10	0.00
$z	Canceled/invalid ISBN			6,577	0.29	7,298	1	100	1.11	0.02
$6	Linkage			107	0.00	305	1	25	2.85	0.32
022 — International Standard Serial Number				7,435	0.33	7,533	1	49	1.00	0.00
$ind1	Level of international interest			7,435	0.33	7,533	1	49	1.00	0.00
$#	number/occurrence of field (in KBR version)			3,707	0.16	3,719	1	4	1.01	0.00
$a	International Standard Serial Number			7,360	0.32	7,446	1	49	1.00	0.00
$l				74	0.00	74	1
$y	Incorrect ISSN			91	0.00	92	1	2	1.01	0.00
$z	Canceled ISSN			2	0.00	2	1
024 — Other Standard Identifier				27,026	1.19	27,146	1	11	1.01	0.00
$ind1	Type of standard number or code			27,026	1.19	27,146	1	11	1.01	0.00
$ind2	Difference indicator			27,026	1.19	27,146	1	11	1.01	0.00
$#	number/occurrence of field (in KBR version)			5,853	0.26	5,873	1	4	1.01	0.00
$a	Standard number or code			27,005	1.19	27,125	1	11	1.01	0.00
$c	Terms of availability			60	0.00	60	1	11	1.00	0.00
$d	Additional codes following the standard number or code			14	0.00	14	1
$q	Qualifying information			11	0.00	12	1	4	1.52	0.10
$z	Canceled/invalid standard number or code			16	0.00	16	1	3	1.13	0.01
$2	Source of number or code			10	0.00	10	1
026 — Fingerprint Identifier				1,541	0.07	1,542	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			173	0.01	173	1
$a	First and second groups of characters			1	0.00	1	1
$b	Third and fourth groups of characters			1	0.00	1	1
$c	Date			1,527	0.07	1,528	1	2	1.00	0.00
$e	Unparsed fingerprint			1,540	0.07	1,541	1	2	1.00	0.00
028 — Publisher or Distributor Number				631	0.03	690	1	21	1.54	0.00
$ind1	Type of number			631	0.03	690	1	21	1.54	0.00
$ind2	Note/added entry controller			631	0.03	690	1	21	1.54	0.00
$#	number/occurrence of field (in KBR version)			326	0.01	384	1	21	1.71	0.00
$a	Publisher or distributor number			558	0.02	617	1	21	1.54	0.00
$b	Source			136	0.01	137	1	3	1.00	0.00
$q	Qualifying information			1	0.00	1	1
031 — Musical Incipits Information				1	0.00	5	1	19	2.91	0.08
$a	Number of work			1	0.00	5	1	19	2.97	0.08
$b	Number of movement			1	0.00	5	1	19	2.96	0.10
$c	Number of excerpt			1	0.00	5	1	19	2.96	0.10
$d	Caption or heading			1	0.00	5	1	19	3.02	0.10
$e	Role			1	0.00	1	1	2	1.20	0.16
$g	Clef			1	0.00	5	1	19	2.32	0.10
$m	Voice/instrument			1	0.00	4	1	19	2.67	0.11
$n	Key signature			1	0.00	5	1	19	2.36	0.10
$o	Time signature			1	0.00	3	1	19	2.67	0.10
$p	Musical notation			1	0.00	5	1	19	2.32	0.10
$t	Text incipit			1	0.00	2	1	10	1.43	0.07
$2	System code			1	0.00	5	1	19	2.37	0.10
033 — Date/Time and Place of an Event				31,942	1.41	31,942	1
$ind1	Type of date in subfield $a			31,942	1.41	31,942	1
$ind2	Type of event			31,942	1.41	31,942	1
$#	number/occurrence of field (in KBR version)			25,805	1.14	25,805	1
$a	Formatted date/time			31,829	1.40	31,829	1
$p	Place of event			29,823	1.31	29,823	1
034 — Coded Cartographic Mathematical Data				125	0.01	125	1	3	1.00	0.00
$ind1	Type of scale			125	0.01	125	1	3	1.00	0.00
$ind2	Type of ring			125	0.01	125	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			125	0.01	125	1	2	1.00	0.00
$a	Category of scale			124	0.01	124	1	3	1.00	0.00
$b	Constant ratio linear horizontal scale			120	0.01	120	1	3	1.01	0.01
035 — System Control Number				1,610,875	70.95	1,611,599	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			31,314	1.38	31,466	1	4	1.02	0.00
$a	System control number			1,610,875	70.95	1,611,603	1	5	1.00	0.00
$z	Canceled/invalid control number			16	0.00	22	1	3	1.45	0.08
036 — Original Study Number for Computer Data Files				1	0.00	3	3
$#	number/occurrence of field (in KBR version)			1	0.00	3	3
$a	Original study number			1	0.00	3	3
$b	Source agency assigning number			1	0.00	3	3
037 — Source of Acquisition				183	0.01	183	1
$ind1	Source of acquisition sequence			183	0.01	183	1
$#	number/occurrence of field (in KBR version)			152	0.01	152	1
$a	Stock number			37	0.00	37	1
$b	Source of stock number/acquisition			171	0.01	171	1
$c	Terms of availability			110	0.00	110	1
$n	Note			146	0.01	146	1
038 — Record Content Licensor				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Record content licensor			1	0.00	1	1
040 — Cataloging Source				1,844,348	81.23	1,847,600	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			487,695	21.48	488,541	1	4	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Original cataloging agency			1,838,201	80.96	1,841,478	1	4	1.00	0.00
$b	Language of cataloging			343,392	15.12	344,055	1	4	1.00	0.00
$c	Transcribing agency			1,557	0.07	1,557	1
$d	Modifying agency			14,637	0.64	17,632	1	30	1.22	0.01
$e	Description conventions			284,391	12.53	284,790	1	4	1.00	0.00
$6	Linkage			1	0.00	1	1
041 — Language Code				2,211,651	97.41	2,213,307	1	5	1.00	0.00
$ind1	Translation indication			2,211,651	97.41	2,213,307	1	5	1.00	0.00
$ind2	Source of code			2,211,651	97.41	2,213,307	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			534,948	23.56	535,644	1	5	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Language code of text/sound track or separate title			2,211,586	97.41	2,266,027	1	16	1.03	0.00
$b	Language code of summary or abstract			528	0.02	709	1	5	1.35	0.01
$d	Language code of sung or spoken text			16	0.00	25	1	3	1.10	0.02
$e	Language code of librettos			1	0.00	1	1	3	1.72	0.08
$f	Language code of table of contents			32	0.00	33	1	2	1.03	0.03
$g	Language code of accompanying material other than librettos and transcripts			9	0.00	10	1	3	1.42	0.03
$h	Language code of original			69,606	3.07	69,909	1	12	1.00	0.00
$j	Language code of subtitles			10	0.00	13	1	3	1.30	0.19
$k	Language code of intermediate translations			41	0.00	44	1	2	1.07	0.02
$m	Language code of original accompanying materials other than librettos			3	0.00	4	1	2	1.17	0.14
042 — Authentication Code				320	0.01	320	1
$#	number/occurrence of field (in KBR version)			256	0.01	256	1
$a	Authentication code			320	0.01	325	1	2	1.02	0.00
043 — Geographic Area Code				20,568	0.91	20,568	1
$#	number/occurrence of field (in KBR version)			570	0.03	570	1
$a	Geographic area code			20,568	0.91	23,140	1	5	1.13	0.00
$0	Authority record control number or standard number			2	0.00	2	1
044 — Country of Publishing/Producing Entity Code				1,859,040	81.88	1,859,105	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			448,370	19.75	448,435	1	4	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	MARC country code			1,858,985	81.88	1,944,319	1	8	1.04	0.00
$c	ISO country code			4,335	0.19	4,470	1	3	1.03	0.00
045 — Time Period of Content				9	0.00	9	1
$ind1	Type of time period in subfield $b or $c			9	0.00	9	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Time period code			5	0.00	5	1
$b	Formatted 9999 B.C. through C.E. time period			4	0.00	6	1	2	1.60	0.14
046 — Special Coded Dates				2	0.00	2	1
$ind1	Type of entity			2	0.00	2	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$k	Beginning or single date created			2	0.00	2	1
047 — Form of Musical Composition Code				25	0.00	25	1
$ind2	Source of code			25	0.00	25	1
$#	number/occurrence of field (in KBR version)			8	0.00	8	1
$a	Form of musical composition code			25	0.00	34	1	5	1.13	0.00
048 — Number of Musical Instruments or Voices Codes				5	0.00	6	1	4	1.01	0.00
$ind2	Source of code			5	0.00	6	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			5	0.00	6	1	4	1.11	0.03
$a	Performer or ensemble			4	0.00	6	1	16	2.12	0.04
$b	Soloist			4	0.00	4	1	5	1.15	0.08
050 — Library of Congress Call Number				20,395	0.90	21,114	1	2	1.04	0.00
$ind1	Existence in LC collection			20,395	0.90	21,114	1	2	1.04	0.00
$ind2	Source of call number			20,395	0.90	21,114	1	2	1.04	0.00
$#	number/occurrence of field (in KBR version)			1,265	0.06	1,304	1	2	1.03	0.00
$a	Classification number			20,395	0.90	21,118	1	2	1.04	0.00
$b	Item number			2,626	0.12	2,951	1	2	1.12	0.00
055 — Classification Numbers Assigned in Canada				3	0.00	3	1
$ind1	Existence in LAC collection			3	0.00	3	1
$ind2	Type, completeness, source of call/class number			3	0.00	3	1
$#	number/occurrence of field (in KBR version)			3	0.00	3	1
$a	Classification number			3	0.00	3	1
$b	Item number			2	0.00	2	1
060 — National Library of Medicine Call Number				1	0.00	1	1
$ind1	Existence in NLM collection			1	0.00	1	1
$ind2	Source of call number			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Classification number			1	0.00	1	1
066 — Character Sets Present				3	0.00	3	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$c	Alternate G0 or G1 character set			3	0.00	4	1	2	1.20	0.16
071 — National Agricultural Library Copy Statement				24	0.00	26	1	2	1.04	0.02
$#	number/occurrence of field (in KBR version)			23	0.00	25	1	2	1.05	0.02
$a	Classification number			23	0.00	25	1	2	1.05	0.02
$b	Item number			16	0.00	17	1	2	1.05	0.05
$c	Copy information			5	0.00	5	1
072 — Subject Category Code				61	0.00	74	1	3	1.20	0.03
$ind2	Code source			61	0.00	74	1	3	1.20	0.03
$#	number/occurrence of field (in KBR version)			36	0.00	49	1	3	1.32	0.04
$a	Subject category code			61	0.00	74	1	3	1.20	0.03
$x	Subject category code subdivision			5	0.00	9	1	3	1.80	0.29
$2	Source			37	0.00	50	1	3	1.32	0.04
074 — GPO Item Number				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	GPO item number			1	0.00	1	1
080 — Universal Decimal Classification Number				14,085	0.62	15,923	1	4	1.13	0.00
$ind1	Type of edition			14,085	0.62	15,923	1	4	1.13	0.00
$#	number/occurrence of field (in KBR version)			571	0.03	683	1	4	1.19	0.00
$a	Universal Decimal Classification number			14,085	0.62	15,923	1	4	1.13	0.00
$2	Edition identifier			171	0.01	222	1	4	1.30	0.02
082 — Dewey Decimal Classification Number				6,331	0.28	6,546	1	4	1.03	0.00
$ind1	Type of edition			6,331	0.28	6,546	1	4	1.03	0.00
$ind2	Source of classification number			6,331	0.28	6,546	1	4	1.03	0.00
$#	number/occurrence of field (in KBR version)			1,208	0.05	1,221	1	2	1.01	0.00
$a	Classification number			6,331	0.28	6,573	1	4	1.04	0.00
$b	Item number			1,701	0.07	1,701	1
$q	Assigning agency			2	0.00	2	1
$2	Edition information			1,152	0.05	1,154	1	2	1.00	0.00
084 — Other Classification Number				10,773	0.47	16,611	1	6	1.56	0.00
$#	number/occurrence of field (in KBR version)			817	0.04	1,248	1	5	1.57	0.00
$a	Classification number			10,773	0.47	16,641	1	6	1.56	0.00
$q	Assigning agency			3	0.00	3	1
$2	Number source			44	0.00	46	1	2	1.05	0.02
086 — Government Document Classification Number				1	0.00	1	1
$ind1	Number source			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Classification number			1	0.00	1	1
1XX: Main Entry
100 — Main Entry - Personal Name				658,685	29.01	658,707	1	4	1.00	0.00
$ind1	Type of personal name entry element			658,685	29.01	658,707	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			166,015	7.31	166,035	1	4	1.00	0.00
$*	Link with identifier (in KBR version)			658,685	29.01	658,715	1	4	1.00	0.00
$@	Language of field (in KBR version)			429	0.02	431	1	2	1.00	0.00
$a	Personal name			658,679	29.01	658,710	1	4	1.00	0.00
$b	Numeration			2,035	0.09	2,036	1	2	1.00	0.00
$c	Titles and words associated with a name			153,026	6.74	158,291	1	9	1.03	0.00
$d	Dates associated with a name			296,879	13.08	296,965	1	4	1.00	0.00
$e	Relator term			97	0.00	97	1
$g	Miscellaneous information			3,770	0.17	3,770	1	2	1.00	0.00
$j	Attribution qualifier			47	0.00	47	1
$l	Language of a work			3	0.00	3	1
$q	Fuller form of name			15,348	0.68	15,400	1	3	1.00	0.00
$0	Authority record control number or standard number			31	0.00	31	1
$1	Real World Object URI			452,901	19.95	452,988	1	4	1.00	0.00
$4	Relationship			320,731	14.13	339,382	1	6	1.05	0.00
110 — Main Entry - Corporate Name				69,117	3.04	69,199	1	3	1.00	0.00
$ind1	Type of corporate name entry element			69,117	3.04	69,199	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			17,055	0.75	17,134	1	3	1.01	0.00
$*	Link with identifier (in KBR version)			69,117	3.04	69,199	1	3	1.00	0.00
$@	Language of field (in KBR version)			2,734	0.12	2,754	1	3	1.03	0.00
$a	Corporate name or jurisdiction name as entry element			68,720	3.03	68,802	1	3	1.00	0.00
$b	Subordinate unit			11,343	0.50	13,782	1	5	1.21	0.00
$c	Location of meeting			3,899	0.17	4,058	1	3	1.02	0.00
$d	Date of meeting or treaty signing			1,889	0.08	1,889	1
$e	Relator term			1	0.00	1	1
$f	Date of a work			2	0.00	2	1
$g	Miscellaneous information			46,841	2.06	46,962	1	3	1.00	0.00
$l	Language of a work			1,712	0.08	1,712	1
$1	Real World Object URI			2,992	0.13	2,993	1	2	1.00	0.00
$4	Relationship			33,379	1.47	37,322	1	6	1.21	0.00
$6	Linkage			3	0.00	3	1
111 — Main Entry - Meeting Name				346	0.02	346	1
$ind1	Type of meeting name entry element			346	0.02	346	1
$#	number/occurrence of field (in KBR version)			52	0.00	52	1
$*	Link with identifier (in KBR version)			346	0.02	346	1
$a	Meeting name or jurisdiction name as entry element			346	0.02	346	1
$c	Location of meeting			78	0.00	78	1
$d	Date of meeting or treaty signing			202	0.01	202	1
$e	Subordinate unit			1	0.00	1	1
$j	Relator term			18	0.00	18	1
$n	Number of part/section/meeting			62	0.00	62	1
$p	Name of part/section of a work			1	0.00	1	1
$4	Relationship			20	0.00	20	1
130 — Main Entry - Uniform Title				132	0.01	132	1
$ind1	Nonfiling characters			132	0.01	132	1
$#	number/occurrence of field (in KBR version)			96	0.00	96	1
$*	Link with identifier (in KBR version)			132	0.01	132	1
$a	Uniform title			132	0.01	132	1
$d	Date of treaty signing			3	0.00	3	1
$f	Date of a work			6	0.00	6	1
$l	Language of a work			59	0.00	59	1
$n	Number of part/section of a work			1	0.00	1	1
$p	Name of part/section of a work			3	0.00	3	1
$6	Linkage			2	0.00	2	1
20X-24X: Title
210 — Abbreviated Title				388	0.02	395	1	10	1.49	0.01
$ind1	Title added entry			388	0.02	395	1	10	1.49	0.01
$ind2	Type			388	0.02	395	1	10	1.49	0.01
$#	number/occurrence of field (in KBR version)			109	0.00	113	1	10	1.81	0.01
$a	Abbreviated title			388	0.02	396	1	10	1.49	0.01
$b	Qualifying information			7	0.00	7	1
222 — Key Title				7	0.00	7	1
$ind2	Nonfiling characters			7	0.00	7	1
$#	number/occurrence of field (in KBR version)			7	0.00	7	1
$a	Key title			7	0.00	7	1
240 — Uniform Title				12,162	0.54	12,162	1
$ind1	Uniform title printed or displayed			12,162	0.54	12,162	1
$ind2	Nonfiling characters			12,162	0.54	12,162	1
$#	number/occurrence of field (in KBR version)			2,996	0.13	2,996	1
$*	Link with identifier (in KBR version)			12,162	0.54	12,162	1
$@	Language of field (in KBR version)			88	0.00	88	1
$a	Uniform title			12,162	0.54	12,162	1
$d	Date of treaty signing			9	0.00	9	1
$f	Date of a work			25	0.00	25	1
$g	Miscellaneous information			7	0.00	7	1
$k	Form subheading			62	0.00	62	1
$l	Language of a work			2,807	0.12	2,807	1
$m	Medium of performance for music			1	0.00	1	1
$n	Number of part/section of a work			19	0.00	19	1
$p	Name of part/section of a work			53	0.00	53	1
$6	Linkage			1	0.00	1	1
242 — Translation of Title by Cataloging Agency				536	0.02	552	1	6	1.07	0.01
$ind1	Title added entry			536	0.02	552	1	6	1.07	0.01
$ind2	Nonfiling characters			536	0.02	552	1	6	1.07	0.01
$#	number/occurrence of field (in KBR version)			69	0.00	74	1	3	1.19	0.01
$@	Language of field (in KBR version)			2	0.00	4	2
$a	Title			536	0.02	552	1	6	1.07	0.01
$b	Remainder of title			25	0.00	25	1
$y	Language code of translated title			89	0.00	91	1	2	1.02	0.01
243 — Collective Uniform Title				6	0.00	6	1
$ind1	Uniform title printed or displayed			6	0.00	6	1
$ind2	Nonfiling characters			6	0.00	6	1
$#	number/occurrence of field (in KBR version)			6	0.00	6	1
$a	Uniform title			6	0.00	6	1
$f	Date of a work			6	0.00	6	1
245 — Title Statement				2,269,415	99.95	2,269,495	1	4	1.01	0.00
$ind1	Title added entry			2,269,415	99.95	2,269,495	1	4	1.01	0.00
$ind2	Nonfiling characters			2,269,415	99.95	2,269,495	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			595,329	26.22	595,409	1	4	1.02	0.00
$@	Language of field (in KBR version)			10	0.00	15	1	3	1.11	0.00
$a	Title			2,269,383	99.95	2,270,792	1	9	1.01	0.00
$b	Remainder of title			636,470	28.03	636,665	1	10	1.00	0.00
$c	Statement of responsibility, etc.			1,243,511	54.77	1,243,605	1	4	1.00	0.00
$f	Inclusive dates			160	0.01	160	1
$g	Bulk dates			38	0.00	47	1	4	1.24	0.09
$h	Medium			71,753	3.16	71,753	1	3	1.01	0.00
$k	Form			1	0.00	1	1
$n	Number of part/section of a work			69,261	3.05	80,776	1	25	1.10	0.00
$p	Name of part/section of a work			40,941	1.80	50,353	1	48	1.12	0.00
$s	Version			39	0.00	39	1
$6	Linkage			1,497	0.07	1,497	1
246 — Varying Form of Title				149,547	6.59	164,576	1	24	1.21	0.00
$ind1	Note/added entry controller			149,547	6.59	164,576	1	24	1.21	0.00
$ind2	Type of title			149,547	6.59	164,576	1	24	1.21	0.00
$#	number/occurrence of field (in KBR version)			44,406	1.96	50,924	1	24	1.34	0.00
$@	Language of field (in KBR version)			699	0.03	1,359	1	5	1.92	0.00
$a	Title proper/short title			149,451	6.58	164,299	1	24	1.21	0.00
$b	Remainder of title			23,624	1.04	25,482	1	6	1.10	0.00
$f	Date or sequential designation			3	0.00	3	1	3	1.50	0.07
$g	Miscellaneous information			23,771	1.05	25,089	1	8	1.06	0.00
$h	Medium			20	0.00	37	1	5	1.64	0.12
$i	Display text			57,942	2.55	59,617	1	10	1.03	0.00
$n	Number of part/section of a work			1,379	0.06	1,510	1	9	1.09	0.01
$p	Name of part/section of a work			839	0.04	953	1	9	1.13	0.01
$6	Linkage			1,537	0.07	1,570	1	2	1.02	0.00
247 — Former Title				755	0.03	776	1	3	1.03	0.00
$ind1	Title added entry			755	0.03	776	1	3	1.03	0.00
$ind2	Note controller			755	0.03	776	1	3	1.03	0.00
$#	number/occurrence of field (in KBR version)			71	0.00	72	1	2	1.02	0.01
$a	Title			754	0.03	775	1	3	1.03	0.00
$f	Date or sequential designation			269	0.01	277	1	3	1.03	0.01
25X-28X: Edition, Imprint
250 — Edition Statement				152,672	6.72	153,271	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			44,883	1.98	45,396	1	4	1.02	0.00
$@	Language of field (in KBR version)			229	0.01	456	1	3	2.02	0.00
$a	Edition statement			152,583	6.72	153,183	1	4	1.01	0.00
$b	Remainder of edition statement			4,399	0.19	4,399	1	2	1.00	0.00
$6	Linkage			2	0.00	2	1
254 — Musical Presentation Statement				2,085	0.09	2,085	1
$#	number/occurrence of field (in KBR version)			476	0.02	476	1
$a	Musical presentation statement			2,085	0.09	2,085	1	2	1.00	0.00
255 — Cartographic Mathematical Data				4,635	0.20	4,636	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			1,742	0.08	1,743	1	4	1.00	0.00
$a	Statement of scale			4,630	0.20	4,631	1	5	1.00	0.00
$b	Statement of projection			5	0.00	5	1
$c	Statement of coordinates			5	0.00	5	1	4	1.01	0.00
$d	Statement of zone			3	0.00	3	1
256 — Computer File Characteristics				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Computer file characteristics			1	0.00	1	1
260 — Publication, Distribution, etc. (Imprint)				163	0.01	164	1	2	1.00	0.00
$ind1	Sequence of publishing statements			163	0.01	164	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			20	0.00	20	1
$a	Place of publication, distribution, etc.			44	0.00	54	1	4	1.22	0.06
$b	Name of publisher, distributor, etc.			162	0.01	163	1	2	1.01	0.01
$c	Date of publication, distribution, etc.			45	0.00	45	1
$3	Materials specified			1	0.00	2	2
263 — Projected Publication Date				555	0.02	555	1
$#	number/occurrence of field (in KBR version)			521	0.02	521	1
$a	Projected publication date			555	0.02	555	1
264 — Production, Publication, Distribution, Manufacture, and Copyright Notice				2,074,102	91.35	2,129,129	1	33	1.05	0.00
$ind1	Sequence of statements			2,074,102	91.35	2,129,129	1	33	1.05	0.00
$ind2	Function of entity			2,074,102	91.35	2,129,129	1	33	1.05	0.00
$#	number/occurrence of field (in KBR version)			542,689	23.90	550,969	1	30	1.05	0.00
$@	Language of field (in KBR version)			288	0.01	296	1	3	1.01	0.00
$a	Place of production, publication, distribution, manufacture			1,849,806	81.47	2,084,086	1	22	1.13	0.00
$b	Name of producer, publisher, distributor, manufacturer			1,655,862	72.93	1,759,806	1	28	1.07	0.00
$c	Date of production, publication, distribution, manufacture, or copyright notice			2,012,791	88.65	2,063,437	1	32	1.05	0.00
$6	Linkage			119	0.01	119	1
270 — Address				8	0.00	14	1	4	1.78	0.26
$ind1	Level			8	0.00	14	1	4	1.78	0.26
$ind2	Type of address			8	0.00	14	1	4	1.78	0.26
$#	number/occurrence of field (in KBR version)			3	0.00	4	1	2	1.33	0.25
$a	Address			7	0.00	7	1
$b	City			6	0.00	6	1
$c	State or province			8	0.00	14	1	4	1.78	0.26
3XX: Physical Description
300 — Physical Description				1,787,152	78.71	1,826,919	1	10	1.03	0.00
$#	number/occurrence of field (in KBR version)			454,909	20.04	468,849	1	10	1.05	0.00
$@	Language of field (in KBR version)			3,661	0.16	7,280	1	3	1.96	0.00
$a	Extent			1,665,794	73.37	1,673,102	1	10	1.01	0.00
$b	Other physical details			863,829	38.05	877,084	1	10	1.01	0.00
$c	Dimensions			1,415,238	62.33	1,415,724	1	4	1.00	0.00
$e	Accompanying material			40,737	1.79	40,740	1	4	1.00	0.00
$f	Type of unit			4,264	0.19	10,146	1	4	1.88	0.00
$g	Size of unit			3	0.00	3	1
$6	Linkage			51	0.00	51	1
306 — Playing Time				25	0.00	25	1
$#	number/occurrence of field (in KBR version)			20	0.00	20	1
$a	Playing time			24	0.00	24	1	6	1.02	0.01
$b				4	0.00	4	1
$c				5	0.00	5	1
310 — Current Publication Frequency				3,602	0.16	3,602	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			1,228	0.05	1,228	1	2	1.00	0.00
$a	Current publication frequency			3,602	0.16	3,602	1	2	1.00	0.00
$b	Date of current publication frequency			15	0.00	15	1
321 — Former Publication Frequency				26	0.00	26	1	6	1.25	0.02
$#	number/occurrence of field (in KBR version)			26	0.00	26	1	6	1.25	0.02
$a	Former publication frequency			26	0.00	26	1	6	1.25	0.02
$b	Dates of former publication frequency			4	0.00	4	1	6	1.40	0.03
334 — Mode of Issuance				2	0.00	2	1
$a	Mode of issuance term			2	0.00	2	1
$b	Mode of issuance code			2	0.00	2	1
$0	Authority record control number or standard number			2	0.00	2	1
336 — Content Type				507,040	22.33	507,458	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			300,295	13.23	300,659	1	3	1.01	0.00
$@	Language of field (in KBR version)			10	0.00	10	1
$a	Content type term			507,026	22.33	658,591	1	6	1.23	0.00
$b	Content type code			365	0.02	389	1	3	1.06	0.01
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source			464,347	20.45	464,606	1	3	1.00	0.00
337 — Media Type				506,731	22.32	506,940	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			299,970	13.21	300,176	1	2	1.00	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Media type term			506,419	22.30	506,707	1	2	1.00	0.00
$b	Media type code			568	0.03	568	1
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source			464,591	20.46	464,682	1	2	1.00	0.00
338 — Carrier Type				515,333	22.70	515,598	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			306,677	13.51	306,897	1	2	1.00	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Carrier type term			515,329	22.70	515,659	1	2	1.00	0.00
$b	Carrier type code			729	0.03	730	1	2	1.00	0.00
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source			465,716	20.51	465,906	1	2	1.00	0.00
340 — Physical Medium				182,895	8.06	184,339	1	8	1.01	0.00
$#	number/occurrence of field (in KBR version)			158,496	6.98	158,752	1	4	1.00	0.00
$a	Material base and configuration			29,268	1.29	30,704	1	8	1.01	0.00
$b	Dimensions			388	0.02	388	1	3	1.01	0.00
$c	Materials applied to surface			125	0.01	125	1
$d	Information recording technique			4	0.00	4	1
$e	Support			231	0.01	231	1
$l	Binding			153,399	6.76	153,469	1	3	1.00	0.00
$n	Font size			2	0.00	2	1
$0	Authority record control number or standard number			1	0.00	1	1
344 — Sound Characteristics				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Type of recording			2	0.00	2	1
$b	Recording medium			2	0.00	2	1
346 — Video Characteristics				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Video format			1	0.00	1	1
$b	Broadcast standard			1	0.00	1	1
347 — Digital File Characteristics				52,727	2.32	52,772	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			52,401	2.31	52,446	1	2	1.00	0.00
$a	File type			3,234	0.14	3,234	1
$b	Encoding format			49,510	2.18	49,555	1	2	1.00	0.00
$c	File size			45	0.00	45	1
$d	Resolution			1	0.00	1	1
$2	Source			4	0.00	4	1
351 — Organization and Arrangement of Materials				207	0.01	207	1
$#	number/occurrence of field (in KBR version)			201	0.01	201	1
$a	Organization			207	0.01	207	1
353 — Supplementary Content Characteristics				2	0.00	4	2
$a	Supplementary content term			2	0.00	4	2
$b	Supplementary content code			2	0.00	4	2
$0	Authority record control number or standard number			2	0.00	4	2
362 — Dates of Publication and/or Sequential Designation				11,260	0.50	11,277	1	3	1.00	0.00
$ind1	Format of date			11,260	0.50	11,277	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			2,875	0.13	2,885	1	3	1.01	0.00
$a	Dates of publication and/or sequential designation			11,259	0.50	11,279	1	4	1.00	0.00
$z	Source of information			13	0.00	22	1	3	2.01	0.00
365 — Trade Price				164	0.01	167	1	3	1.00	0.00
$ind1	Start/End designator			164	0.01	167	1	3	1.00	0.00
$ind2	State of issuance			164	0.01	167	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			40	0.00	41	1	3	1.01	0.00
$a	Price type code			7	0.00	7	1
$b	Price amount			105	0.00	106	1	3	1.00	0.00
$c	Currency code			3	0.00	4	1	3	1.43	0.25
$e	Price note			53	0.00	55	1	3	1.01	0.00
$f	Price effective from			1	0.00	2	1	3	2.00	0.35
366 — Trade Availability Information				3	0.00	3	1
$#	number/occurrence of field (in KBR version)			3	0.00	3	1
$a	Publishers' compressed title identification			1	0.00	1	1
$b	Detailed date of publication			2	0.00	2	1
$c	Availability status code			1	0.00	1	1
$e	Note			1	0.00	1	1
$j	ISO country code			1	0.00	1	1
$k	MARC country code			1	0.00	1	1
$2	Source of availability status code			2	0.00	2	1
385 — Audience Characteristics				849	0.04	855	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			849	0.04	855	1	4	1.01	0.00
$a	Audience term			828	0.04	838	1	4	1.01	0.00
$b	Audience code			32	0.00	32	1
$m	Demographic group term			36	0.00	36	1
$n	Demographic group code			3	0.00	3	1
388 — Time Period of Creation				2	0.00	2	1
$ind1	Type of time period			2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Time period of creation term			2	0.00	2	1
4XX: Series Statement
490 — Series Statement				450,364	19.84	456,074	1	5	1.01	0.00
$ind1	Series tracing policy			450,364	19.84	456,074	1	5	1.01	0.00
$#	number/occurrence of field (in KBR version)			21,749	0.96	22,184	1	3	1.02	0.00
$a	Series statement			449,149	19.78	456,357	1	5	1.02	0.00
$v	Volume/sequential designation			313,040	13.79	456,697	1	8	1.45	0.00
$x	International Standard Serial Number			2,582	0.11	2,594	1	2	1.00	0.00
5XX: Note
500 — General Note				383,130	16.87	500,107	1	76	1.34	0.00
$#	number/occurrence of field (in KBR version)			107,515	4.74	126,471	1	76	1.27	0.00
$@	Language of field (in KBR version)			2	0.00	2	1	3	1.08	0.00
$a	General note			383,116	16.87	500,218	1	76	1.34	0.00
$b				2	0.00	2	1
$w				5	0.00	5	1
$5	Institution to which field applies			75	0.00	75	1
501 — With Note				144	0.01	146	1	2	1.01	0.01
$#	number/occurrence of field (in KBR version)			35	0.00	35	1
$a	With note			144	0.01	146	1	2	1.01	0.01
502 — Dissertation Note				17,192	0.76	17,204	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			5,341	0.24	5,348	1	2	1.00	0.00
$a	Dissertation note			17,118	0.75	17,126	1	2	1.00	0.00
$b	Degree type			11,891	0.52	11,900	1	2	1.00	0.00
$c	Name of granting institution			60	0.00	63	1	2	1.05	0.02
$d	Year degree granted			64	0.00	67	1	2	1.05	0.01
$g	Miscellaneous information			1	0.00	1	1
504 — Bibliography, etc. Note				39,763	1.75	41,557	1	9	1.05	0.00
$#	number/occurrence of field (in KBR version)			38,762	1.71	40,555	1	9	1.05	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Bibliography, etc. note			39,761	1.75	41,556	1	9	1.05	0.00
$b	Number of references			5	0.00	5	1
505 — Formatted Contents Note				24,742	1.09	73,994	1	214	3.14	0.02
$ind1	Display constant controller			24,742	1.09	73,994	1	214	3.14	0.02
$ind2	Level of content designation			24,742	1.09	73,994	1	214	3.14	0.02
$#	number/occurrence of field (in KBR version)			10,137	0.45	27,474	1	214	2.68	0.05
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Formatted contents note			1,953	0.09	3,318	1	35	1.87	0.02
$g	Miscellaneous information			460	0.02	12,112	1	291	25.93	1.36
$r	Statement of responsibility			2,530	0.11	9,128	1	84	4.47	0.05
$t	Title			23,396	1.03	113,127	1	214	4.71	0.03
$u	Uniform Resource Identifier			1	0.00	1	1
$6	Linkage			1	0.00	1	1
506 — Restrictions on Access Note				35,261	1.55	35,272	1	2	1.00	0.00
$ind1	Restriction			35,261	1.55	35,272	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			6,921	0.30	6,931	1	2	1.00	0.00
$a	Terms governing access			35,261	1.55	35,272	1	2	1.00	0.00
$c	Physical access provisions			34,932	1.54	34,934	1	2	1.00	0.00
$d	Authorized users			34,904	1.54	34,906	1	2	1.00	0.00
$e	Authorization			1	0.00	1	1
$f	Standardized terminology for access restriction			4	0.00	4	1
507 — Scale Note for Visual Materials				3	0.00	3	1
$#	number/occurrence of field (in KBR version)			3	0.00	3	1
$a	Representative fraction of scale note			3	0.00	3	1
510 — Citation/References Note				51,803	2.28	59,324	1	10	1.14	0.00
$ind1	Coverage/location in source			51,803	2.28	59,324	1	10	1.14	0.00
$#	number/occurrence of field (in KBR version)			16,251	0.72	21,088	1	10	1.26	0.00
$@	Language of field (in KBR version)			96	0.00	238	1	6	2.48	0.04
$a	Name of source			51,798	2.28	59,317	1	10	1.14	0.00
$b	Coverage of source			1	0.00	1	1
$c	Location within source			28,088	1.24	29,709	1	4	1.06	0.00
$u	Uniform Resource Identifier			21	0.00	21	1
511 — Participant or Performer Note				14,122	0.62	16,582	1	20	1.17	0.00
$ind1	Display constant controller			14,122	0.62	16,582	1	20	1.17	0.00
$#	number/occurrence of field (in KBR version)			2,571	0.11	3,095	1	8	1.17	0.00
$a	Participant or performer note			14,122	0.62	16,582	1	20	1.17	0.00
515 — Numbering Peculiarities Note				5	0.00	5	1
$#	number/occurrence of field (in KBR version)			5	0.00	5	1
$a	Numbering peculiarities note			5	0.00	5	1
516 — Type of Computer File or Data Note				2	0.00	2	1
$ind1	Display constant controller			2	0.00	2	1
$a	Type of computer file or data note			2	0.00	2	1
518 — Date/Time and Place of an Event Note				1,523	0.07	1,525	1	5	1.01	0.00
$#	number/occurrence of field (in KBR version)			56	0.00	58	1	3	1.03	0.01
$a	Date/time and place of an event note			1,521	0.07	1,521	1	5	1.01	0.00
$d	Date of event			3	0.00	5	1	3	1.67	0.50
$o	Other event information			2	0.00	4	1	3	2.00	0.71
$p	Place of event			3	0.00	5	1	3	1.67	0.50
520 — Summary, etc.				140,565	6.19	143,027	1	7	1.02	0.00
$ind1	Display constant controller			140,565	6.19	143,027	1	7	1.02	0.00
$#	number/occurrence of field (in KBR version)			59,981	2.64	60,115	1	6	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1	3	2.88	0.04
$a	Summary, etc.			140,554	6.19	143,017	1	7	1.02	0.00
$b	Expansion of summary note			8	0.00	8	1
$c	Assigning source			224	0.01	237	1	2	1.06	0.00
$u	Uniform Resource Identifier			2	0.00	2	1
$2	Source			175	0.01	175	1
521 — Target Audience Note				10,917	0.48	10,970	1	2	1.00	0.00
$ind1	Display constant controller			10,917	0.48	10,970	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			10,884	0.48	10,937	1	2	1.00	0.00
$a	Target audience note			10,916	0.48	10,998	1	3	1.01	0.00
$b	Source			52	0.00	54	1	2	1.04	0.02
$3	Materials specified			36	0.00	36	1
525 — Supplement Note				34	0.00	34	1
$#	number/occurrence of field (in KBR version)			34	0.00	34	1
$a	Supplement note			34	0.00	34	1
526 — Study Program Information Note				1	0.00	1	1
$ind1	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Program name			1	0.00	1	1
$z	Public note			1	0.00	1	1
530 — Additional Physical Form available Note				5,626	0.25	5,682	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			4,360	0.19	4,374	1	3	1.01	0.00
$a	Additional physical form available note			5,504	0.24	5,560	1	4	1.01	0.00
$b	Availability source			2	0.00	2	1
$c	Availability conditions			89	0.00	89	1
$d	Order number			76	0.00	76	1
$u	Uniform Resource Identifier			355	0.02	421	1	9	1.18	0.02
533 — Reproduction Note				25,440	1.12	25,440	1
$#	number/occurrence of field (in KBR version)			195	0.01	195	1
$a	Type of reproduction			25,440	1.12	25,440	1
$b	Place of reproduction			25,321	1.12	25,321	1
$c	Agency responsible for reproduction			25,321	1.12	25,321	1
$d	Date of reproduction			25,321	1.12	25,321	1
$e	Physical description of reproduction			78	0.00	78	1
$m	Dates and/or sequential designation of issues reproduced			1	0.00	1	1
$n	Note about reproduction			25,320	1.12	50,640	2
$7	Fixed-length data elements of reproduction			25,243	1.11	25,243	1
534 — Original Version Note				144	0.01	144	1
$#	number/occurrence of field (in KBR version)			64	0.00	64	1
$a	Main entry of original			15	0.00	15	1
$b	Edition statement of original			2	0.00	2	1
$c	Publication, distribution, etc. of original			7	0.00	7	1
$e	Physical description, etc. of original			7	0.00	7	1
$l	Location of original			7	0.00	7	1
$p	Introductory phrase			122	0.01	122	1
$t	Title statement of original			11	0.00	11	1
535 — Location of Originals/Duplicates Note				1	0.00	1	1
$ind1	Custodial role			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Custodian			1	0.00	1	1
$b	Postal address			1	0.00	1	1
$c	Country			1	0.00	1	1
$g	Repository location code			1	0.00	1	1
536 — Funding Information Note				1,293	0.06	1,293	1
$#	number/occurrence of field (in KBR version)			1,192	0.05	1,192	1
$a	Text of note			1,293	0.06	1,293	1
$b	Contract number			2	0.00	2	1
538 — System Details Note				34,935	1.54	35,061	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			9,607	0.42	9,733	1	3	1.02	0.00
$a	System details note			34,935	1.54	35,061	1	3	1.01	0.00
540 — Terms Governing Use and Reproduction Note				251	0.01	251	1
$#	number/occurrence of field (in KBR version)			249	0.01	249	1
$a	Terms governing use and reproduction			251	0.01	251	1
$c	Authorization			23	0.00	23	1
$5	Institution to which field applies			23	0.00	23	1
541 — Immediate Source of Acquisition Note				37,064	1.63	37,186	1	3	1.01	0.00
$ind1	Privacy			37,064	1.63	37,186	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			11,735	0.52	11,857	1	3	1.01	0.00
$a	Source of acquisition			36,441	1.60	36,550	1	3	1.01	0.00
$b	Address			1,128	0.05	1,128	1
$c	Method of acquisition			1,714	0.08	1,714	1
$d	Date of acquisition			1,560	0.07	1,573	1	2	1.00	0.00
$e	Accession number			313	0.01	324	1	2	1.03	0.00
$f	Owner			23	0.00	23	1
$n	Extent			17	0.00	17	1
$o	Type of unit			1	0.00	1	1
$3	Materials specified			3	0.00	3	1
542 — Information Relating to Copyright Status				329	0.01	329	1
$ind1	Privacy			329	0.01	329	1
$#	number/occurrence of field (in KBR version)			323	0.01	323	1
$c	Corporate creator			1	0.00	1	1
$l	Copyright status			211	0.01	211	1
$n	Note			211	0.01	211	1
$u	Uniform Resource Identifier			328	0.01	328	1
544 — Location of Other Archival Materials Note				206	0.01	206	1
$ind1	Relationship			206	0.01	206	1
$#	number/occurrence of field (in KBR version)			200	0.01	200	1
$a	Custodian			206	0.01	206	1
$b	Address			206	0.01	206	1
545 — Biographical or Historical Data				29	0.00	33	1	2	1.09	0.02
$ind1	Type of data			29	0.00	33	1	2	1.09	0.02
$#	number/occurrence of field (in KBR version)			8	0.00	10	1	2	1.09	0.04
$a	Biographical or historical data			27	0.00	31	1	2	1.10	0.02
$b	Expansion			2	0.00	2	1
546 — Language Note				2,245	0.10	2,281	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			1,797	0.08	1,806	1	3	1.01	0.00
$a	Language note			1,529	0.07	1,537	1	2	1.01	0.00
$b	Information code or alphabet			972	0.04	1,090	1	4	1.12	0.00
$9				8	0.00	8	1
547 — Former Title Complexity Note				100	0.00	102	1	2	1.02	0.00
$#	number/occurrence of field (in KBR version)			13	0.00	14	1	2	1.03	0.01
$a	Former title complexity note			100	0.00	102	1	2	1.02	0.00
550 — Issuing Body Note				1	0.00	1	1	2	1.08	0.07
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	2	1.08	0.07
$a	Issuing body note			1	0.00	1	1	2	1.08	0.07
552 — Entity and Attribute Information Note				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$z	Display note			1	0.00	1	1
556 — Information About Documentation Note				1	0.00	1	1
$ind1	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Information about documentation note			1	0.00	1	1
561 — Ownership and Custodial History				4,262	0.19	4,489	1	6	1.17	0.00
$ind1	Privacy			4,262	0.19	4,489	1	6	1.17	0.00
$#	number/occurrence of field (in KBR version)			4,258	0.19	4,484	1	6	1.16	0.00
$a	History			4,259	0.19	4,485	1	6	1.17	0.00
$u	Uniform Resource Identifier			2	0.00	4	2
562 — Copy and Version Identification Note				88,713	3.91	106,348	1	12	1.13	0.00
$#	number/occurrence of field (in KBR version)			24,831	1.09	30,162	1	12	1.12	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Identifying markings			6,508	0.29	6,892	1	5	1.04	0.00
$b	Copy identification			81,703	3.60	99,036	1	12	1.15	0.00
$c	Version identification			433	0.02	434	1	2	1.00	0.00
$d	Presentation format			7	0.00	7	1
$e	Number of copies			647	0.03	649	1	2	1.00	0.00
563 — Binding Information				3,384	0.15	3,586	1	3	1.02	0.00
$#	number/occurrence of field (in KBR version)			2,935	0.13	3,136	1	3	1.06	0.00
$a	Binding note			3,382	0.15	3,586	1	3	1.02	0.00
$b				2	0.00	2	1
565 — Case File Characteristics Note				9	0.00	9	1
$ind1	Display constant controller			9	0.00	9	1
$#	number/occurrence of field (in KBR version)			9	0.00	9	1
$a	Number of cases/variables			8	0.00	8	1
$b	Name of variable			1	0.00	1	1
$e	Filing scheme or code			2	0.00	2	1
580 — Linking Entry Complexity Note				2,450	0.11	2,506	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			1,412	0.06	1,423	1	2	1.01	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Linking entry complexity note			2,450	0.11	2,506	1	4	1.01	0.00
$6	Linkage			1	0.00	1	1
581 — Publications About Described Materials Note				2,593	0.11	2,761	1	4	1.02	0.00
$ind1	Display constant controller			2,593	0.11	2,761	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			2,581	0.11	2,749	1	4	1.02	0.00
$@	Language of field (in KBR version)			2	0.00	6	1	4	1.08	0.06
$a	Publications about described materials note			2,592	0.11	2,760	1	4	1.02	0.00
$z	International Standard Book Number			24	0.00	24	1
583 — Action Note				3	0.00	3	1	3	1.02	0.00
$ind1	Privacy			3	0.00	3	1	3	1.02	0.00
$#	number/occurrence of field (in KBR version)			3	0.00	3	1	3	1.02	0.00
$a	Action			1	0.00	1	1
$b	Action identification			1	0.00	1	1
$c	Time/date of action			1	0.00	1	1
$d	Action interval			1	0.00	1	1
$u	Uniform Resource Identifier			1	0.00	1	1
$2	Source of term			1	0.00	1	1	3	1.02	0.00
$5	Institution to which field applies			1	0.00	1	1	3	1.02	0.00
585 — Exhibitions Note				245	0.01	325	1	17	1.32	0.01
$#	number/occurrence of field (in KBR version)			245	0.01	325	1	17	1.32	0.01
$a	Exhibitions note			245	0.01	325	1	17	1.32	0.01
586 — Awards Note				220	0.01	242	1	6	1.10	0.02
$ind1	Display constant controller			220	0.01	242	1	6	1.10	0.02
$#	number/occurrence of field (in KBR version)			219	0.01	241	1	6	1.10	0.02
$a	Awards note			220	0.01	242	1	6	1.10	0.02
588 — Source of Description Note				91,569	4.03	91,613	1	3	1.00	0.00
$ind1	Display constant controller			91,569	4.03	91,613	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			66,440	2.93	66,484	1	3	1.00	0.00
$a	Source of description note			91,569	4.03	91,613	1	3	1.00	0.00
6XX: Subject Access
600 — Subject Added Entry - Personal Name				11,170	0.49	20,180	1	125	1.69	0.02
$ind1	Type of personal name entry element			11,170	0.49	20,180	1	125	1.69	0.02
$ind2	Thesaurus			11,170	0.49	20,180	1	125	1.69	0.02
$#	number/occurrence of field (in KBR version)			8,381	0.37	12,765	1	114	1.48	0.02
$*	Link with identifier (in KBR version)			11,170	0.49	20,180	1	125	1.69	0.02
$@	Language of field (in KBR version)			82	0.00	97	1	5	1.12	0.03
$a	Personal name			11,170	0.49	20,180	1	125	1.69	0.02
$b	Numeration			309	0.01	333	1	4	1.07	0.01
$c	Titles and other words associated with a name			6,123	0.27	9,997	1	117	1.60	0.04
$d	Dates associated with a name			9,424	0.42	14,121	1	57	1.43	0.01
$e	Relator term			2	0.00	2	1
$f	Date of a work			1	0.00	1	1
$g	Miscellaneous information			141	0.01	217	1	35	1.53	0.25
$j	Attribution qualifier			5	0.00	5	1
$n	Number of part/section of a work			1	0.00	1	1
$q	Fuller form of name			310	0.01	340	1	4	1.10	0.01
$t	Title of a work			24	0.00	29	1	4	1.21	0.12
$v	Form subdivision			39	0.00	52	1	3	1.35	0.05
$x	General subdivision			90	0.00	142	1	8	1.56	0.08
$y	Chronological subdivision			4	0.00	4	1
$z	Geographic subdivision			5	0.00	6	1	2	1.20	0.16
$0	Authority record control number or standard number			2	0.00	3	1	2	1.25	0.20
$1	Real World Object URI			9,090	0.40	13,195	1	66	1.40	0.01
$2	Source of heading or term			23	0.00	29	1	2	1.25	0.03
$4	Relationship			29	0.00	148	1	15	5.10	0.47
$6	Linkage			1	0.00	1	1
610 — Subject Added Entry - Corporate Name				503	0.02	569	1	5	1.12	0.01
$ind1	Type of corporate name entry element			503	0.02	569	1	5	1.12	0.01
$ind2	Thesaurus			503	0.02	569	1	5	1.12	0.01
$#	number/occurrence of field (in KBR version)			450	0.02	488	1	5	1.09	0.01
$*	Link with identifier (in KBR version)			503	0.02	569	1	5	1.12	0.01
$@	Language of field (in KBR version)			15	0.00	15	1
$a	Corporate name or jurisdiction name as entry element			503	0.02	569	1	5	1.12	0.01
$b	Subordinate unit			40	0.00	72	1	6	1.80	0.12
$c	Location of meeting			12	0.00	12	1
$d	Date of meeting or treaty signing			5	0.00	6	1	2	1.14	0.12
$g	Miscellaneous information			175	0.01	195	1	5	1.13	0.02
$k	Form subheading			1	0.00	1	1
$n	Number of part/section/meeting			3	0.00	3	1
$v	Form subdivision			17	0.00	20	1	3	1.18	0.12
$x	General subdivision			16	0.00	22	1	3	1.38	0.11
$y	Chronological subdivision			2	0.00	2	1
$z	Geographic subdivision			2	0.00	4	1	3	2.00	0.71
$0	Authority record control number or standard number			167	0.01	167	1
$1	Real World Object URI			8	0.00	14	1	5	1.75	0.45
$2	Source of heading or term			7	0.00	8	1	2	1.14	0.12
$4	Relationship			8	0.00	11	1	2	1.38	0.09
611 — Subject Added Entry - Meeting Name				11	0.00	14	1	2	1.27	0.07
$ind1	Type of meeting name entry element			11	0.00	14	1	2	1.27	0.07
$ind2	Thesaurus			11	0.00	14	1	2	1.27	0.07
$#	number/occurrence of field (in KBR version)			7	0.00	8	1	2	1.14	0.12
$*	Link with identifier (in KBR version)			11	0.00	14	1	2	1.27	0.07
$a	Meeting name or jurisdiction name as entry element			11	0.00	14	1	2	1.27	0.07
$c	Location of meeting			1	0.00	1	1
$d	Date of meeting or treaty signing			2	0.00	2	1
$0	Authority record control number or standard number			7	0.00	10	1	2	1.43	0.10
$2	Source of heading or term			8	0.00	11	1	2	1.38	0.09
630 — Subject Added Entry - Uniform Title				29	0.00	49	1	8	1.69	0.25
$ind1	Nonfiling characters			29	0.00	49	1	8	1.69	0.25
$ind2	Thesaurus			29	0.00	49	1	8	1.69	0.25
$#	number/occurrence of field (in KBR version)			10	0.00	19	1	5	1.90	0.34
$*	Link with identifier (in KBR version)			29	0.00	49	1	8	1.69	0.25
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Uniform title			29	0.00	49	1	8	1.69	0.25
$k	Form subheading			2	0.00	6	2	4	3.00	0.71
$l	Language of a work			3	0.00	3	1
$p	Name of part/section of a work			23	0.00	37	1	5	1.61	0.19
$v	Form subdivision			5	0.00	8	1	3	1.60	0.31
$x	General subdivision			23	0.00	46	1	7	2.00	0.27
$y	Chronological subdivision			3	0.00	4	1	2	1.33	0.25
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source of heading or term			2	0.00	2	1
647 — Subject Added Entry - Named Event				20	0.00	20	1
$ind2	Thesaurus			20	0.00	20	1
$#	number/occurrence of field (in KBR version)			20	0.00	20	1
$*	Link with identifier (in KBR version)			20	0.00	20	1
$a	Named event			20	0.00	20	1
$d	Date of named event			20	0.00	20	1
648 — Subject Added Entry - Chronological Term				3,261	0.14	4,671	1	6	1.31	0.00
$ind2	Thesaurus			3,261	0.14	4,671	1	6	1.31	0.00
$#	number/occurrence of field (in KBR version)			919	0.04	1,224	1	6	1.26	0.00
$*	Link with identifier (in KBR version)			3,261	0.14	4,671	1	6	1.31	0.00
$a	Chronological term			3,261	0.14	4,671	1	6	1.31	0.00
$2	Source of heading or term			15	0.00	15	1
650 — Subject Added Entry - Topical Term				353,705	15.58	989,354	1	62	2.60	0.00
$ind1	Level of subject			353,705	15.58	989,354	1	62	2.60	0.00
$ind2	Thesaurus			353,705	15.58	989,354	1	62	2.60	0.00
$#	number/occurrence of field (in KBR version)			28,990	1.28	56,804	1	62	1.69	0.00
$*	Link with identifier (in KBR version)			353,705	15.58	989,460	1	62	2.61	0.00
$@	Language of field (in KBR version)			7,287	0.32	12,520	1	51	1.48	0.00
$a	Topical term or geographic name entry element			353,703	15.58	989,458	1	62	2.61	0.00
$b	Topical term following geographic name entry element			9,941	0.44	10,055	1	4	1.01	0.00
$c	Location of event			1	0.00	1	1	2	1.03	0.03
$g	Miscellaneous information			218,773	9.64	468,875	1	62	2.08	0.00
$v	Form subdivision			9,805	0.43	10,006	1	12	1.02	0.00
$x	General subdivision			1,699	0.07	2,563	1	16	1.44	0.01
$y	Chronological subdivision			1,354	0.06	1,472	1	8	1.09	0.01
$z	Geographic subdivision			838	0.04	1,485	1	10	1.76	0.01
$0	Authority record control number or standard number			164,996	7.27	401,303	1	33	2.26	0.00
$1	Real World Object URI			4	0.00	4	1
$2	Source of heading or term			265,030	11.67	840,337	1	62	3.03	0.00
651 — Subject Added Entry - Geographic Name				6,493	0.29	8,413	1	17	1.10	0.00
$ind2	Thesaurus			6,493	0.29	8,413	1	17	1.10	0.00
$#	number/occurrence of field (in KBR version)			5,066	0.22	5,935	1	17	1.09	0.00
$*	Link with identifier (in KBR version)			6,493	0.29	8,413	1	17	1.10	0.00
$@	Language of field (in KBR version)			1,288	0.06	1,469	1	16	1.11	0.00
$a	Geographic name			6,493	0.29	8,413	1	17	1.10	0.00
$g	Miscellaneous information			110	0.00	142	1	9	1.56	0.03
$v	Form subdivision			906	0.04	2,927	1	12	2.44	0.00
$x	General subdivision			720	0.03	2,141	1	16	2.37	0.01
$y	Chronological subdivision			108	0.00	150	1	8	1.38	0.08
$z	Geographic subdivision			28	0.00	36	1	6	1.33	0.17
$0	Authority record control number or standard number			2,128	0.09	2,164	1	4	1.02	0.00
$2	Source of heading or term			31	0.00	51	1	6	1.51	0.12
653 — Index Term - Uncontrolled				637,385	28.07	6,749,789	1	255	8.40	0.00
$ind1	Level of index term			637,385	28.07	6,749,789	1	255	8.40	0.00
$ind2	Type of term or name			637,385	28.07	6,749,789	1	255	8.40	0.00
$#	number/occurrence of field (in KBR version)			12,539	0.55	19,349	1	61	1.04	0.00
$@	Language of field (in KBR version)			362,287	15.96	6,390,879	1	255	17.61	0.00
$a	Uncontrolled term			637,385	28.07	6,749,940	1	255	8.40	0.00
$1	Real World Object URI			12	0.00	33	2	4	2.75	0.12
654 — Subject Added Entry - Faceted Topical Terms				124,298	5.47	258,042	1	34	1.91	0.00
$ind1	Level of subject			124,298	5.47	258,042	1	34	1.91	0.00
$#	number/occurrence of field (in KBR version)			5,882	0.26	8,988	1	13	1.48	0.00
$*	Link with identifier (in KBR version)			124,298	5.47	294,330	1	66	2.15	0.00
$@	Language of field (in KBR version)			2,094	0.09	3,407	1	13	1.52	0.00
$a	Focus term			124,298	5.47	294,329	1	66	2.15	0.00
$b	Non-focus term			113,537	5.00	361,959	1	62	2.86	0.00
$v	Form subdivision			111	0.00	157	1	5	1.42	0.04
$y	Chronological subdivision			3,104	0.14	3,756	1	10	1.19	0.00
$z	Geographic subdivision			975	0.04	1,537	1	9	1.56	0.01
$0	Authority record control number or standard number			20	0.00	25	1	2	1.25	0.04
$2	Source of heading or term			121,863	5.37	254,329	1	34	1.92	0.00
655 — Index Term - Genre/Form				65,536	2.89	83,464	1	12	1.31	0.00
$ind1	Type of heading			65,536	2.89	83,464	1	12	1.31	0.00
$ind2	Thesaurus			65,536	2.89	83,464	1	12	1.31	0.00
$#	number/occurrence of field (in KBR version)			63,312	2.79	79,445	1	5	1.27	0.00
$*	Link with identifier (in KBR version)			65,536	2.89	83,469	1	12	1.31	0.00
$@	Language of field (in KBR version)			8,569	0.38	11,877	1	5	1.55	0.00
$a	Genre/form data or focus term			65,536	2.89	83,469	1	12	1.31	0.00
$b	Non-focus term			5	0.00	5	1
$v	Form subdivision			5	0.00	5	1
$y	Chronological subdivision			10	0.00	12	1	3	1.20	0.18
$0	Authority record control number			63,255	2.79	79,706	1	9	1.26	0.00
$2	Source of term			6,148	0.27	6,173	1	12	1.01	0.00
662 — Subject Added Entry - Hierarchical Place Name				86	0.00	86	1
$#	number/occurrence of field (in KBR version)			86	0.00	86	1
$*	Link with identifier (in KBR version)			86	0.00	86	1
$@	Language of field (in KBR version)			85	0.00	85	1
$a	Country or larger entity			86	0.00	86	1
70X-75X: Added Entry
700 — Added Entry - Personal Name				600,547	26.45	1,345,308	1	128	2.28	0.00
$ind1	Type of personal name entry element			600,547	26.45	1,345,308	1	128	2.28	0.00
$ind2	Type of added entry			600,547	26.45	1,345,308	1	128	2.28	0.00
$#	number/occurrence of field (in KBR version)			251,566	11.08	452,989	1	128	1.83	0.00
$*	Link with identifier (in KBR version)			600,547	26.45	1,345,329	1	128	2.28	0.00
$@	Language of field (in KBR version)			643	0.03	698	1	4	1.28	0.00
$a	Personal name			600,546	26.45	1,345,329	1	128	2.28	0.00
$b	Numeration			8,386	0.37	9,281	1	26	1.10	0.00
$c	Titles and other words associated with a name			248,818	10.96	360,503	1	90	1.59	0.00
$d	Dates associated with a name			416,318	18.34	685,049	1	125	1.76	0.00
$e	Relator term			101	0.00	153	1	4	1.51	0.03
$g	Miscellaneous information			7,817	0.34	8,876	1	14	1.16	0.00
$i	Relationship information			1	0.00	1	1
$j	Attribution qualifier			378	0.02	413	1	4	1.09	0.01
$k	Form subheading			3	0.00	5	1	2	1.67	0.25
$l	Language of a work			539	0.02	617	1	8	1.15	0.01
$q	Fuller form of name			26,496	1.17	28,253	1	8	1.06	0.00
$s	Version			2	0.00	2	1
$t	Title of a work			7	0.00	13	1	5	1.75	0.42
$0	Authority record control number or standard number			172	0.01	174	1	2	1.01	0.01
$1	Real World Object URI			498,076	21.94	934,327	1	121	1.93	0.00
$3	Materials specified			109	0.00	153	1	3	1.40	0.02
$4	Relationship			429,388	18.91	983,942	1	128	2.34	0.00
$5	Institution to which field applies			4	0.00	5	1	2	1.25	0.20
$6	Linkage			1	0.00	1	1
710 — Added Entry - Corporate Name				848,252	37.36	952,648	1	28	1.14	0.00
$ind1	Type of corporate name entry element			848,252	37.36	952,648	1	28	1.14	0.00
$ind2	Type of added entry			848,252	37.36	952,648	1	28	1.14	0.00
$#	number/occurrence of field (in KBR version)			252,290	11.11	288,327	1	28	1.16	0.00
$*	Link with identifier (in KBR version)			848,251	37.36	952,644	1	28	1.14	0.00
$@	Language of field (in KBR version)			55,555	2.45	60,044	1	18	1.12	0.00
$a	Corporate name or jurisdiction name as entry element			848,049	37.35	952,309	1	28	1.14	0.00
$b	Subordinate unit			78,176	3.44	94,901	1	10	1.21	0.00
$c	Location of meeting			93,607	4.12	99,723	1	8	1.08	0.00
$d	Date of meeting or treaty signing			22,026	0.97	23,578	1	14	1.06	0.00
$e	Relator term			21	0.00	33	1	5	1.55	0.17
$f	Date of a work			2	0.00	3	1	2	1.50	0.12
$g	Miscellaneous information			555,449	24.46	605,800	1	27	1.10	0.00
$i	Relationship information			1	0.00	1	1
$l	Language of a work			5,296	0.23	5,778	1	7	1.09	0.00
$o	Arranged statement for music			1	0.00	1	1
$0	Authority record control number or standard number			1	0.00	1	1
$1	Real World Object URI			212,909	9.38	214,257	1	4	1.01	0.00
$3	Materials specified			1	0.00	1	1
$4	Relationship			819,088	36.08	926,132	1	28	1.14	0.00
$6	Linkage			1	0.00	1	1
711 — Added Entry - Meeting Name				1,337	0.06	1,426	1	5	1.07	0.00
$ind1	Type of meeting name entry element			1,337	0.06	1,426	1	5	1.07	0.00
$ind2	Type of added entry			1,337	0.06	1,426	1	5	1.07	0.00
$#	number/occurrence of field (in KBR version)			37	0.00	40	1	2	1.08	0.02
$*	Link with identifier (in KBR version)			1,337	0.06	1,426	1	5	1.07	0.00
$@	Language of field (in KBR version)			4	0.00	7	1	2	1.60	0.14
$a	Meeting name or jurisdiction name as entry element			1,337	0.06	1,426	1	5	1.07	0.00
$c	Location of meeting			19	0.00	21	1	2	1.11	0.05
$d	Date of meeting or treaty signing			595	0.03	623	1	5	1.05	0.01
$n	Number of part/section/meeting			17	0.00	18	1	2	1.06	0.06
$4	Relationship			12	0.00	12	1
720 — Added Entry - Uncontrolled Name				69,136	3.05	98,064	1	33	1.42	0.00
$ind1	Type of name			69,136	3.05	98,064	1	33	1.42	0.00
$#	number/occurrence of field (in KBR version)			56,271	2.48	81,363	1	33	1.45	0.00
$a	Name			69,125	3.04	98,047	1	33	1.42	0.00
$e	Relator term			311	0.01	589	1	12	1.88	0.05
$4	Relationship			60,727	2.67	88,354	1	33	1.45	0.00
730 — Added Entry - Uniform Title				2,858	0.13	3,764	1	11	1.32	0.01
$ind1	Nonfiling characters			2,858	0.13	3,764	1	11	1.32	0.01
$ind2	Type of added entry			2,858	0.13	3,764	1	11	1.32	0.01
$#	number/occurrence of field (in KBR version)			1,610	0.07	2,331	1	11	1.46	0.01
$*	Link with identifier (in KBR version)			2,858	0.13	3,764	1	11	1.32	0.01
$@	Language of field (in KBR version)			8	0.00	11	1	2	1.38	0.09
$a	Uniform title			2,858	0.13	3,764	1	11	1.32	0.01
$d	Date of treaty signing			3	0.00	3	1
$f	Date of a work			148	0.01	190	1	6	1.28	0.03
$i	Relationship information			3	0.00	3	1
$k	Form subheading			12	0.00	22	1	2	1.83	0.07
$l	Language of a work			493	0.02	934	1	11	1.89	0.03
$n	Number of part/section of a work			15	0.00	15	1
$p	Name of part/section of a work			14	0.00	16	1	2	1.20	0.05
$s	Version			1	0.00	1	1
$t	Title of a work			1	0.00	1	1
$4	Relationship			1	0.00	1	1
740 — Added Entry - Uncontrolled Related/Analytical Title				32	0.00	78	1	10	1.04	0.01
$ind1	Nonfiling characters			32	0.00	78	1	10	1.04	0.01
$ind2	Type of added entry			32	0.00	78	1	10	1.04	0.01
$#	number/occurrence of field (in KBR version)			9	0.00	12	1	4	1.33	0.30
$a	Uncontrolled related/analytical title			32	0.00	78	1	10	1.04	0.01
751 — Added Entry - Geographic Name				1,358	0.06	1,495	1	4	1.10	0.00
$#	number/occurrence of field (in KBR version)			1,300	0.06	1,431	1	4	1.10	0.00
$*	Link with identifier (in KBR version)			1,358	0.06	1,495	1	4	1.10	0.00
$@	Language of field (in KBR version)			590	0.03	643	1	2	1.09	0.00
$a	Geographic name			1,358	0.06	1,495	1	4	1.10	0.00
$e	Relator term			1	0.00	1	1
$4	Relationship			1,329	0.06	1,466	1	4	1.10	0.00
752 — Added Entry - Hierarchical Place Name				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$a	Country or larger entity			1	0.00	1	1
$b	First-order political jurisdiction			1	0.00	1	1
$d	City			1	0.00	1	1
754 — Added Entry - Taxonomic Identification				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$a	Taxonomic name			1	0.00	1	1
$x	Non-public note			1	0.00	1	1
758 — Resource Identifier				2,423	0.11	2,425	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			86	0.00	88	1	2	1.02	0.01
$a	Label			2,421	0.11	2,421	1
$i	Relationship information			2,421	0.11	2,421	1
$1	Real World Object URI			2	0.00	4	2
$4	Relationship			2,423	0.11	2,423	1
76X-78X: Linking Entry
760 — Main Series Entry				1	0.00	1	1
$ind1	Note controller			1	0.00	1	1
$ind2	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$a	Main entry heading			1	0.00	1	1
$t	Title			1	0.00	1	1
765 — Original Language Entry				9,693	0.43	9,995	1	10	1.03	0.00
$ind1	Note controller			9,693	0.43	9,995	1	10	1.03	0.00
$ind2	Display constant controller			9,693	0.43	9,995	1	10	1.03	0.00
$#	number/occurrence of field (in KBR version)			7,225	0.32	7,491	1	10	1.04	0.00
$*	Link with identifier (in KBR version)			9,693	0.43	9,995	1	10	1.03	0.00
$a	Main entry heading			5,059	0.22	5,250	1	10	1.04	0.00
$d	Place, publisher, and date of publication			3	0.00	3	1
$g	Related parts			15	0.00	15	1
$h	Physical description			1	0.00	1	1
$i	Relationship information			2	0.00	2	1
$o	Other item identifier			1	0.00	1	1
$t	Title			9,693	0.43	9,995	1	10	1.03	0.00
$w	Record control number			3	0.00	4	1	2	1.33	0.25
$z	International Standard Book Number			7,389	0.33	7,635	1	10	1.03	0.00
767 — Translation Entry				4,094	0.18	5,287	1	18	1.29	0.01
$ind1	Note controller			4,094	0.18	5,287	1	18	1.29	0.01
$ind2	Display constant controller			4,094	0.18	5,287	1	18	1.29	0.01
$#	number/occurrence of field (in KBR version)			3,116	0.14	4,184	1	18	1.34	0.01
$*	Link with identifier (in KBR version)			4,094	0.18	5,287	1	18	1.29	0.01
$a	Main entry heading			2,121	0.09	2,765	1	17	1.30	0.01
$g	Related parts			16	0.00	16	1
$t	Title			4,094	0.18	5,287	1	18	1.29	0.01
$z	International Standard Book Number			2,634	0.12	3,367	1	14	1.28	0.01
770 — Supplement/Special Issue Entry				86	0.00	112	1	10	1.33	0.03
$ind1	Note controller			86	0.00	112	1	10	1.33	0.03
$ind2	Display constant controller			86	0.00	112	1	10	1.33	0.03
$#	number/occurrence of field (in KBR version)			65	0.00	91	1	10	1.37	0.08
$*	Link with identifier (in KBR version)			86	0.00	112	1	10	1.33	0.03
$a	Main entry heading			18	0.00	19	1	2	1.03	0.03
$g	Related parts			11	0.00	11	1	2	1.04	0.04
$t	Title			86	0.00	112	1	10	1.33	0.03
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			13	0.00	13	1
772 — Supplement Parent Entry				1,421	0.06	1,424	1	9	1.03	0.01
$ind1	Note controller			1,421	0.06	1,424	1	9	1.03	0.01
$ind2	Display constant controller			1,421	0.06	1,424	1	9	1.03	0.01
$#	number/occurrence of field (in KBR version)			290	0.01	293	1	2	1.01	0.00
$*	Link with identifier (in KBR version)			1,421	0.06	1,424	1	9	1.03	0.01
$a	Main entry heading			180	0.01	180	1
$g	Related parts			1,190	0.05	2,050	1	2	1.70	0.00
$k	Series data for related item			1	0.00	1	1
$t	Title			1,420	0.06	1,423	1	9	1.03	0.01
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			35	0.00	35	1
773 — Host Item Entry				410,151	18.06	432,701	1	6	1.05	0.00
$ind1	Note controller			410,151	18.06	432,701	1	6	1.05	0.00
$ind2	Display constant controller			410,151	18.06	432,701	1	6	1.05	0.00
$#	number/occurrence of field (in KBR version)			220,668	9.72	235,693	1	6	1.06	0.00
$*	Link with identifier (in KBR version)			410,151	18.06	432,723	1	6	1.05	0.00
$@	Language of field (in KBR version)			8	0.00	8	1
$a	Main entry heading			86,881	3.83	87,883	1	5	1.01	0.00
$b	Edition			38,814	1.71	39,991	1	3	1.03	0.00
$d	Place, publisher, and date of publication			1	0.00	1	1
$g	Related parts			358,146	15.77	372,478	1	6	1.04	0.00
$h	Physical description			2,368	0.10	2,389	1	2	1.00	0.00
$i	Relationship information			2,186	0.10	2,212	1	4	1.01	0.00
$n	Note			40,008	1.76	40,340	1	4	1.01	0.00
$o	Other item identifier			1	0.00	1	1
$p	Abbreviated title			4	0.00	4	1
$r	Report number			13	0.00	13	1
$t	Title			410,151	18.06	432,723	1	6	1.05	0.00
$x	International Standard Serial Number			18	0.00	18	1
$z	International Standard Book Number			5,510	0.24	5,572	1	6	1.01	0.00
$0				11	0.00	18	1	2	1.64	0.07
$6	Linkage			2	0.00	2	1
774 — Constituent Unit Entry				1	0.00	1	1
$ind1	Note controller			1	0.00	1	1
$ind2	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$t	Title			1	0.00	1	1
775 — Other Edition Entry				32,110	1.41	71,034	1	25	1.98	0.00
$ind1	Note controller			32,110	1.41	71,034	1	25	1.98	0.00
$ind2	Display constant controller			32,110	1.41	71,034	1	25	1.98	0.00
$#	number/occurrence of field (in KBR version)			25,787	1.14	61,490	1	25	2.22	0.00
$*	Link with identifier (in KBR version)			32,110	1.41	71,044	1	25	1.98	0.00
$a	Main entry heading			16,851	0.74	34,925	1	22	2.06	0.00
$b	Edition			1	0.00	1	1
$c	Qualifying information			5	0.00	7	1	3	1.40	0.33
$e	Language code			86	0.00	464	2	10	5.40	0.08
$g	Related parts			1,544	0.07	1,607	1	7	1.04	0.01
$i	Relationship information			16,950	0.75	40,335	1	23	1.98	0.00
$m	Material-specific details			3	0.00	3	1
$t	Title			32,110	1.41	71,044	1	25	1.98	0.00
$w	Record control number			1	0.00	1	1
$z	International Standard Book Number			23,770	1.05	53,787	1	25	2.17	0.00
776 — Additional Physical Form Entry				14,027	0.62	14,350	1	12	1.04	0.00
$ind1	Note controller			14,027	0.62	14,350	1	12	1.04	0.00
$ind2	Display constant controller			14,027	0.62	14,350	1	12	1.04	0.00
$#	number/occurrence of field (in KBR version)			11,669	0.51	11,987	1	12	1.04	0.00
$*	Link with identifier (in KBR version)			14,027	0.62	14,350	1	12	1.04	0.00
$a	Main entry heading			7,120	0.31	7,227	1	8	1.03	0.00
$b	Edition			12	0.00	12	1
$d	Place, publisher, and date of publication			108	0.00	108	1
$g	Related parts			155	0.01	156	1	3	1.02	0.01
$h	Physical description			110	0.00	110	1	2	1.01	0.01
$i	Relationship information			9,218	0.41	9,465	1	12	1.07	0.00
$k	Series data for related item			1	0.00	2	2
$n	Note			1	0.00	1	1
$t	Title			14,027	0.62	14,350	1	12	1.04	0.00
$w	Record control number			116	0.01	116	1
$z	International Standard Book Number			7,303	0.32	7,570	1	12	1.04	0.00
777 — Issued With Entry				905	0.04	1,757	1	10	1.70	0.01
$ind1	Note controller			905	0.04	1,757	1	10	1.70	0.01
$ind2	Display constant controller			905	0.04	1,757	1	10	1.70	0.01
$#	number/occurrence of field (in KBR version)			740	0.03	1,535	1	10	1.76	0.01
$*	Link with identifier (in KBR version)			905	0.04	1,757	1	10	1.70	0.01
$a	Main entry heading			595	0.03	1,125	1	10	1.85	0.02
$g	Related parts			65	0.00	68	1	5	1.19	0.02
$t	Title			905	0.04	1,757	1	10	1.70	0.01
780 — Preceding Entry				644	0.03	674	1	9	1.06	0.00
$ind1	Note controller			644	0.03	674	1	9	1.06	0.00
$ind2	Type of relationship			644	0.03	674	1	9	1.06	0.00
$#	number/occurrence of field (in KBR version)			346	0.02	362	1	7	1.07	0.00
$*	Link with identifier (in KBR version)			644	0.03	674	1	9	1.06	0.00
$a	Main entry heading			155	0.01	162	1	2	1.04	0.00
$g	Related parts			49	0.00	50	1	2	1.06	0.01
$t	Title			644	0.03	674	1	9	1.06	0.00
$z	International Standard Book Number			115	0.01	122	1	2	1.06	0.01
785 — Succeeding Entry				540	0.02	577	1	15	1.06	0.00
$ind1	Note controller			540	0.02	577	1	15	1.06	0.00
$ind2	Type of relationship			540	0.02	577	1	15	1.06	0.00
$#	number/occurrence of field (in KBR version)			285	0.01	311	1	3	1.05	0.00
$*	Link with identifier (in KBR version)			540	0.02	577	1	15	1.06	0.00
$a	Main entry heading			124	0.01	130	1	2	1.04	0.01
$g	Related parts			50	0.00	53	1	2	1.06	0.01
$t	Title			540	0.02	577	1	15	1.06	0.00
$z	International Standard Book Number			102	0.00	109	1	2	1.06	0.01
786 — Data Source Entry				933	0.04	1,410	1	7	1.41	0.00
$ind1	Note controller			933	0.04	1,410	1	7	1.41	0.00
$ind2	Display constant controller			933	0.04	1,410	1	7	1.41	0.00
$#	number/occurrence of field (in KBR version)			931	0.04	1,408	1	7	1.42	0.00
$*	Link with identifier (in KBR version)			933	0.04	1,410	1	7	1.41	0.00
$a	Main entry heading			511	0.02	531	1	4	1.25	0.00
$g	Related parts			916	0.04	1,490	1	7	1.51	0.00
$t	Title			933	0.04	1,410	1	7	1.41	0.00
$z	International Standard Book Number			639	0.03	989	1	4	1.21	0.00
787 — Other Relationship Entry				1,733	0.08	2,159	1	15	1.08	0.00
$ind1	Note controller			1,733	0.08	2,159	1	15	1.08	0.00
$ind2	Display constant controller			1,733	0.08	2,159	1	15	1.08	0.00
$#	number/occurrence of field (in KBR version)			1,160	0.05	1,533	1	15	1.10	0.00
$*	Link with identifier (in KBR version)			1,733	0.08	2,163	1	15	1.09	0.00
$a	Main entry heading			650	0.03	852	1	11	1.31	0.01
$g	Related parts			827	0.04	867	1	15	1.03	0.00
$i	Relationship information			668	0.03	716	1	4	1.03	0.00
$n	Note			1	0.00	1	1
$t	Title			1,733	0.08	2,163	1	15	1.09	0.00
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			754	0.03	1,006	1	12	1.19	0.01
80X-83X: Series Added Entry
800 — Series Added Entry - Personal Name				1,114	0.05	1,115	1	2	1.00	0.00
$ind1	Type of personal name entry element			1,114	0.05	1,115	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			100	0.00	100	1
$*	Link with identifier (in KBR version)			1,114	0.05	1,115	1	2	1.00	0.00
$a	Personal name			1,114	0.05	1,115	1	2	1.00	0.00
$c	Titles and other words associated with a name			36	0.00	39	1	2	1.04	0.01
$d	Dates associated with a name			177	0.01	177	1
$e	Relator term			1	0.00	1	1
$f	Date of a work			5	0.00	5	1
$g	Miscellaneous information			1	0.00	1	1
$k	Form subheading			1	0.00	1	1
$q	Fuller form of name			7	0.00	7	1
$s	Version			1	0.00	1	1
$t	Title of a work			26	0.00	26	1
$v	Volume/sequential designation			7	0.00	7	1
$3	Materials specified			4	0.00	4	1
810 — Series Added Entry - Corporate Name				2	0.00	2	1
$ind1	Type of corporate name entry element			2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$*	Link with identifier (in KBR version)			2	0.00	2	1
$a	Corporate name or jurisdiction name as entry element			2	0.00	2	1
$t	Title of a work			2	0.00	2	1
$v	Volume/sequential designation			2	0.00	2	1
830 — Series Added Entry - Uniform Title				297	0.01	651	1	20	2.16	0.14
$ind2	Nonfiling characters			297	0.01	651	1	20	2.16	0.14
$#	number/occurrence of field (in KBR version)			286	0.01	640	1	20	2.20	0.14
$*	Link with identifier (in KBR version)			297	0.01	651	1	20	2.16	0.14
$a	Uniform title			297	0.01	651	1	20	2.16	0.14
$n	Number of part/section of a work			3	0.00	3	1
$p	Name of part/section of a work			13	0.00	13	1
$v	Volume/sequential designation			142	0.01	150	1	2	1.05	0.01
$x	International Standard Serial Number			20	0.00	23	1	2	1.15	0.04
$1	Real World Object URI			1	0.00	1	1
841-88X: Holdings, Location, Alternate Graphics
850 — Holding Institution				8	0.00	8	1
$#	number/occurrence of field (in KBR version)			8	0.00	8	1
$a	Holding institution			8	0.00	8	1
852 — Location				415,440	18.30	421,870	1	54	1.01	0.00
$ind1	Shelving scheme			415,440	18.30	421,870	1	54	1.01	0.00
$ind2	Shelving order			415,440	18.30	421,870	1	54	1.01	0.00
$#	number/occurrence of field (in KBR version)			21,801	0.96	21,826	1	4	1.00	0.00
$@	Language of field (in KBR version)			38	0.00	38	1
$a	Location			393,774	17.34	400,203	1	54	1.02	0.00
$b	Sublocation or collection			393,773	17.34	400,165	1	54	1.02	0.00
$c	Shelving location			404,376	17.81	410,739	1	54	1.01	0.00
$d	Former shelving location			11,096	0.49	11,099	1	4	1.00	0.00
$e	Address			154,824	6.82	161,054	1	54	1.04	0.00
$h	Classification part			391,558	17.25	397,909	1	54	1.02	0.00
$i	Item part			40	0.00	42	1	4	1.12	0.08
$j	Shelving control number			8	0.00	8	1	4	1.33	0.30
$p	Piece designation			393,770	17.34	400,132	1	54	1.02	0.00
$q	Piece physical condition			154,824	6.82	161,054	1	54	1.04	0.00
$t	Copy number			393,763	17.34	400,125	1	54	1.02	0.00
$x	Nonpublic note			2	0.00	2	1
856 — Electronic Location and Access				97,147	4.28	103,308	1	51	1.08	0.00
$ind1	Access method			97,147	4.28	103,308	1	51	1.08	0.00
$ind2	Relationship			97,147	4.28	103,308	1	51	1.08	0.00
$#	number/occurrence of field (in KBR version)			29,384	1.29	31,102	1	45	1.07	0.00
$a	Host name			1	0.00	2	1	2	1.08	0.08
$b				10	0.00	12	1	2	1.20	0.08
$i				5	0.00	5	1	2	1.14	0.12
$k				14	0.00	15	1	2	1.02	0.02
$l	Standardized information governing access			6	0.00	6	1
$n	Terms governing access			22	0.00	27	1	2	1.24	0.03
$q	Electronic format type			10	0.00	10	1
$u	Uniform Resource Identifier			97,047	4.27	103,518	1	51	1.08	0.00
$x	Nonpublic note			10,610	0.47	10,615	1	5	1.00	0.00
$y	Link text			3,398	0.15	7,027	1	51	2.04	0.03
$z	Public note			26,582	1.17	26,676	1	10	1.01	0.00
$3	Materials specified			108	0.00	197	1	4	1.77	0.02
$7	Access status			38,481	1.69	43,576	1	51	1.10	0.00
880 — Alternate Graphic Representation				3,009	0.13	3,308	1	6	1.10	0.00
$#	number/occurrence of field (in KBR version)			3,007	0.13	3,302	1	6	1.10	0.00
$a	Same as associated field			3,005	0.13	3,306	1	6	1.10	0.00
$b	Same as associated field			371	0.02	492	1	4	1.33	0.01
$c	Same as associated field			491	0.02	605	1	3	1.23	0.00
$e	Same as associated field			1	0.00	2	2
$h	Same as associated field			2	0.00	2	1
$i	Same as associated field			4	0.00	4	1
$l	Same as associated field			2	0.00	2	1
$n	Same as associated field			102	0.00	114	1	3	1.12	0.02
$p	Same as associated field			33	0.00	40	1	3	1.21	0.06
$v	Same as associated field			1	0.00	1	1
$z	Same as associated field			1	0.00	1	1
$6	Linkage			2,998	0.13	3,294	1	6	1.10	0.00
883 — Metadata Provenance				1	0.00	1	1
$ind1	Method of assignment			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Creation process			1	0.00	1	1
$c	Confidence value			1	0.00	1	1
$d	Creation date			1	0.00	1	1
$q	Assigning or generation agency			1	0.00	1	1
884 — Description Conversion Information				12	0.00	12	1
$#	number/occurrence of field (in KBR version)			12	0.00	12	1
$a	Conversion process			12	0.00	12	1
$g	Conversion date			12	0.00	12	1
$k	Identifier of source metadata			10	0.00	10	1
$q	Conversion agency			12	0.00	12	1
$u	Uniform Resource Identifier			2	0.00	2	1
886 — Foreign MARC Information Field				20	0.00	32	1	4	1.60	0.14
$ind1	Type of field			20	0.00	32	1	4	1.60	0.14
$#	number/occurrence of field (in KBR version)			19	0.00	31	1	4	1.63	0.15
$a	Tag of the foreign MARC field			20	0.00	89	1	12	4.45	0.60
$b	Content of the foreign MARC field			20	0.00	32	1	4	1.60	0.14
$c				3	0.00	8	2	3	2.67	0.25
$e				1	0.00	2	2
$f				1	0.00	1	1
$g				2	0.00	2	1
$h				10	0.00	14	1	3	1.40	0.18
$k				1	0.00	1	1
$r				1	0.00	1	1
$x				13	0.00	40	1	9	3.08	0.56
$z				13	0.00	25	1	4	1.92	0.19
$2	Source of data			20	0.00	32	1	4	1.60	0.14
Holdings: MARC Holdings tags
866 — Textual Holdings-Basic Bibliographic Unit				820	0.04	887	1	7	1.47	0.00
$ind1	Field encoding level			820	0.04	887	1	7	1.47	0.00
$ind2	Type of notation			820	0.04	887	1	7	1.47	0.00
$#	number/occurrence of field (in KBR version)			451	0.02	473	1	7	1.33	0.00
$a	Textual holdings			817	0.04	884	1	7	1.47	0.00
$x	Nonpublic note			111	0.00	163	1	7	1.53	0.00
$z	Public note			78	0.00	78	1	4	1.01	0.01
OCLCMARC tags
911 — Manifestation identifier				923,299	40.67	923,438	1	4	1.00	0.00
$ind1				388,134	17.09	388,137	1	2	1.00	0.00
$#				545,976	24.05	546,106	1	4	1.00	0.00
$a				923,299	40.67	961,551	1	8	1.04	0.00
Locally defined tags of the Royal Library of Belgium
997 — Item information				1,754,426	77.27	2,074,633	1	254	1.14	0.00
$#	number/occurrence of field			68,500	3.02	91,327	1	16	1.28	0.00
$*	Link with identifier			1,754,426	77.27	2,074,636	1	254	1.14	0.00
$a	Barcode number			1,754,426	77.27	2,074,633	1	254	1.14	0.00
$c	Library (holding institution)			1,754,425	77.27	2,074,638	1	254	1.14	0.00
$d	Section (department of holding institution)			1,754,426	77.27	2,074,639	1	254	1.14	0.00
$g	Call Number			1,702,084	74.97	2,019,156	1	254	1.14	0.00
$h	Rating2			848	0.04	862	1	2	1.02	0.00
$t	Document type			1,754,425	77.27	2,072,828	1	254	1.14	0.00
$v	inventory number			53,292	2.35	58,398	1	20	1.08	0.00
unknown origin
104				5	0.00	5	1
$#				5	0.00	5	1
$b				5	0.00	5	1
853				602	0.03	608	1	4	1.03	0.00
$a				602	0.03	608	1	4	1.03	0.00
$b				602	0.03	608	1	4	1.03	0.00
$c				602	0.03	608	1	4	1.03	0.00
$h				602	0.03	608	1	4	1.03	0.00
$l				602	0.03	608	1	4	1.03	0.00
901				1	0.00	1	1
925				70	0.00	70	1
$#				70	0.00	70	1
$*				70	0.00	70	1
$a				70	0.00	70	1
$b				24	0.00	24	1
$c				70	0.00	70	1
$d				70	0.00	70	1
$f				70	0.00	70	1
$g				70	0.00	70	1
926				3	0.00	3	1
$#				3	0.00	3	1
$*				3	0.00	3	1
$a				3	0.00	3	1
$c				3	0.00	3	1
$d				3	0.00	3	1
$f				3	0.00	3	1
$g				3	0.00	3	1
933				5	0.00	5	1
$#				5	0.00	5	1
$a				5	0.00	5	1
935				5	0.00	5	1
$#				5	0.00	5	1
$a				5	0.00	5	1
981				3	0.00	3	1
$a				3	0.00	3	1
$c				3	0.00	6	2