QA catalogue for analysing library data

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

number of records: 2,247,410

Fields		fields	pos./subf.		count	%
Fields defined in MARC21
00X	Control Fields	3	79		2,247,410	100.00
01X-09X	Numbers and Code	37	181		2,234,247	99.41
1XX	Main Entry	4	52		712,845	31.72
20X-24X	Title	8	67		2,246,358	99.95
25X-28X	Edition, Imprint	8	36		2,053,560	91.37
3XX	Physical Description	19	94		1,842,512	81.98
4XX	Series Statement	1	5		449,784	20.01
5XX	Note	42	196		704,086	31.33
6XX	Subject Access	12	138		955,929	42.53
70X-75X	Added Entry	10	98		1,159,897	51.61
76X-78X	Linking Entry	14	142		427,993	19.04
80X-83X	Series Added Entry	3	30		1,388	0.06
841-88X	Holdings, Location, Alternate Graphics	7	72		511,595	22.76
Holdings	MARC Holdings tags	1	6		807	0.04
Fields defined in extensions of MARC
OCLC	OCLCMARC tags	1	3		909,486	40.47
KBR	Locally defined tags of the Royal Library of Belgium	1	9		1,734,450	77.18
unknown	unknown origin	8	28		684	0.03
Total number of data elements		179	1,236

				records		occurences
				count	%	count	min	max	⌀	σ
00X: Control Fields
Leader
00	Record length			2,247,410	100.00	2,247,410	1
05	Record status			2,247,410	100.00	2,247,410	1
06	Type of record			2,247,410	100.00	2,247,410	1
07	Bibliographic level			2,247,410	100.00	2,247,410	1
08	Type of control			2,247,410	100.00	2,247,410	1
09	Character coding scheme			2,247,410	100.00	2,247,410	1
10	Indicator count			2,247,410	100.00	2,247,410	1
11	Subfield code count			2,247,410	100.00	2,247,410	1
12	Base address of data			2,247,410	100.00	2,247,410	1
17	Encoding level			2,247,410	100.00	2,247,410	1
18	Descriptive cataloging form			2,247,410	100.00	2,247,410	1
19	Multipart resource record level			2,247,410	100.00	2,247,410	1
20	Length of the length-of-field portion			2,247,410	100.00	2,247,410	1
21	Length of the starting-character-position portion			2,247,410	100.00	2,247,410	1
22	Length of the implementation-defined portion			2,247,410	100.00	2,247,410	1
23	Undefined			2,247,410	100.00	2,247,410	1
001 — Control Number				2,247,410	100.00	2,247,410	1
003 — Control Number Identifier				428	0.02	428	1
005 — Date and Time of Latest Transaction				403,578	17.96	403,578	1
006 — Additional Material Characteristics
All Materials
00	Form of material			25,425	1.13	25,425	1
Books
01	Illustrations			25,425	1.13	25,425	1
05	Target audience			25,425	1.13	25,425	1
06	Form of item			25,425	1.13	25,425	1
07	Nature of contents			25,425	1.13	25,425	1
11	Government publication			25,424	1.13	25,424	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			281,382	12.52	307,457	1	2	1.05	0.00
Electronic resource
01	Specific material designation			57,819	2.57	83,128	1	2	1.34	0.00
03	Color			25,404	1.13	25,404	1
04	Dimensions			25,404	1.13	25,404	1
05	Sound			25,404	1.13	25,404	1
06	Image bit depth			25,404	1.13	25,404	1
09	File formats			25,404	1.13	25,404	1
10	Quality assurance targets			25,404	1.13	25,404	1
11	Antecedent/source			25,404	1.13	25,404	1
12	Level of compression			25,404	1.13	25,404	1
13	Reformatting quality			25,404	1.13	25,404	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			18,764	0.83	18,764	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			205,243	9.13	205,245	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			2,215,158	98.56	2,215,158	1
06	Type of date/Publication status			2,210,479	98.36	2,210,479	1
07	Date 1			2,210,479	98.36	2,210,479	1
11	Date 2			2,210,479	98.36	2,210,479	1
15	Place of publication, production, or execution			2,210,475	98.36	2,210,475	1
35	Language			2,197,625	97.78	2,197,625	1
38	Modified record			2,197,594	97.78	2,197,594	1
39	Cataloging source			2,197,534	97.78	2,197,534	1
Books
18	Illustrations			2,210,475	98.36	2,210,475	1
22	Target audience			2,210,472	98.36	2,210,472	1
23	Form of item			2,210,472	98.36	2,210,472	1
24	Nature of contents			2,197,681	97.79	2,197,681	1
28	Government publication			2,197,681	97.79	2,197,681	1
29	Conference publication			2,197,681	97.79	2,197,681	1
30	Festschrift			2,197,680	97.79	2,197,680	1
31	Index			2,197,680	97.79	2,197,680	1
33	Literary form			2,197,680	97.79	2,197,680	1
34	Biography			2,197,680	97.79	2,197,680	1
01X-09X: Numbers and Code
010 — Library of Congress Control Number				3,435	0.15	3,435	1
$#	number/occurrence of field (in KBR version)			934	0.04	934	1
$a	LC control number			3,434	0.15	3,434	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				381,456	16.97	391,741	1	254	1.03	0.00
$ind1				3	0.00	3	1
$ind2	Display constant controller			381,456	16.97	391,741	1	254	1.03	0.00
$#	number/occurrence of field (in KBR version)			139,616	6.21	141,584	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			378,638	16.85	388,962	1	254	1.03	0.00
$b	Assigning agency			60,702	2.70	60,741	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			826	0.04	837	1	4	1.01	0.00
$6	Linkage			10	0.00	36	2	6	3.60	0.33
020 — International Standard Book Number				880,288	39.17	917,273	1	200	1.04	0.00
$#	number/occurrence of field (in KBR version)			211,213	9.40	217,966	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			584,599	26.01	609,857	1	100	1.04	0.00
$c	Terms of availability			541,633	24.10	545,065	1	63	1.01	0.00
$q	Qualifying information			37,724	1.68	41,713	1	84	1.11	0.00
$z	Canceled/invalid ISBN			6,498	0.29	7,217	1	100	1.11	0.02
$6	Linkage			105	0.00	302	1	25	2.88	0.32
022 — International Standard Serial Number				7,288	0.32	7,386	1	49	1.00	0.00
$ind1	Level of international interest			7,288	0.32	7,386	1	49	1.00	0.00
$#	number/occurrence of field (in KBR version)			3,615	0.16	3,627	1	4	1.01	0.00
$a	International Standard Serial Number			7,214	0.32	7,300	1	49	1.00	0.00
$l				54	0.00	54	1
$y	Incorrect ISSN			90	0.00	91	1	2	1.01	0.00
$z	Canceled ISSN			2	0.00	2	1
024 — Other Standard Identifier				25,780	1.15	25,884	1	11	1.01	0.00
$ind1	Type of standard number or code			25,780	1.15	25,884	1	11	1.01	0.00
$ind2	Difference indicator			25,780	1.15	25,884	1	11	1.01	0.00
$#	number/occurrence of field (in KBR version)			5,566	0.25	5,585	1	4	1.01	0.00
$a	Standard number or code			25,759	1.15	25,863	1	11	1.00	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				1,525	0.07	1,526	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			172	0.01	172	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			1,511	0.07	1,512	1	2	1.00	0.00
$e	Unparsed fingerprint			1,524	0.07	1,525	1	2	1.00	0.00
028 — Publisher or Distributor Number				628	0.03	687	1	21	1.54	0.00
$ind1	Type of number			628	0.03	687	1	21	1.54	0.00
$ind2	Note/added entry controller			628	0.03	687	1	21	1.54	0.00
$#	number/occurrence of field (in KBR version)			323	0.01	381	1	21	1.72	0.00
$a	Publisher or distributor number			555	0.02	614	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	2.90	0.08
$a	Number of work			1	0.00	5	1	19	2.96	0.08
$b	Number of movement			1	0.00	5	1	19	2.95	0.10
$c	Number of excerpt			1	0.00	5	1	19	2.95	0.10
$d	Caption or heading			1	0.00	5	1	19	3.01	0.10
$e	Role			1	0.00	1	1	2	1.20	0.16
$g	Clef			1	0.00	5	1	19	2.33	0.10
$m	Voice/instrument			1	0.00	4	1	19	2.66	0.11
$n	Key signature			1	0.00	5	1	19	2.36	0.11
$o	Time signature			1	0.00	3	1	19	2.66	0.11
$p	Musical notation			1	0.00	5	1	19	2.33	0.10
$t	Text incipit			1	0.00	2	1	10	1.40	0.06
$2	System code			1	0.00	5	1	19	2.38	0.10
033 — Date/Time and Place of an Event				30,252	1.35	30,252	1
$ind1	Type of date in subfield $a			30,252	1.35	30,252	1
$ind2	Type of event			30,252	1.35	30,252	1
$#	number/occurrence of field (in KBR version)			25,659	1.14	25,659	1
$a	Formatted date/time			30,143	1.34	30,143	1
$p	Place of event			28,220	1.26	28,220	1
034 — Coded Cartographic Mathematical Data				115	0.01	115	1	3	1.00	0.00
$ind1	Type of scale			115	0.01	115	1	3	1.00	0.00
$ind2	Type of ring			115	0.01	115	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			115	0.01	115	1	2	1.00	0.00
$a	Category of scale			114	0.01	114	1	3	1.00	0.00
$b	Constant ratio linear horizontal scale			110	0.00	110	1	3	1.01	0.01
035 — System Control Number				1,600,999	71.24	1,601,721	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			30,434	1.35	30,584	1	4	1.02	0.00
$a	System control number			1,600,999	71.24	1,601,725	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				1,821,008	81.03	1,823,420	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			477,271	21.24	478,057	1	4	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Original cataloging agency			1,814,861	80.75	1,817,298	1	4	1.00	0.00
$b	Language of cataloging			334,925	14.90	335,577	1	4	1.00	0.00
$c	Transcribing agency			1,555	0.07	1,555	1
$d	Modifying agency			14,077	0.63	17,072	1	30	1.23	0.01
$e	Description conventions			278,176	12.38	278,570	1	4	1.00	0.00
$6	Linkage			1	0.00	1	1
041 — Language Code				2,188,879	97.40	2,190,523	1	5	1.00	0.00
$ind1	Translation indication			2,188,879	97.40	2,190,523	1	5	1.00	0.00
$ind2	Source of code			2,188,879	97.40	2,190,523	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			524,587	23.34	525,278	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			2,188,815	97.39	2,242,335	1	16	1.03	0.00
$b	Language code of summary or abstract			524	0.02	703	1	5	1.34	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			66,919	2.98	67,211	1	12	1.00	0.00
$j	Language code of subtitles			9	0.00	10	1	2	1.11	0.10
$k	Language code of intermediate translations			40	0.00	43	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				20,561	0.91	20,561	1
$#	number/occurrence of field (in KBR version)			568	0.03	568	1
$a	Geographic area code			20,561	0.91	23,129	1	5	1.12	0.00
$0	Authority record control number or standard number			2	0.00	2	1
044 — Country of Publishing/Producing Entity Code				1,834,856	81.64	1,834,921	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			438,720	19.52	438,785	1	4	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	MARC country code			1,834,801	81.64	1,918,397	1	8	1.04	0.00
$c	ISO country code			4,334	0.19	4,469	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				20,331	0.90	21,049	1	2	1.04	0.00
$ind1	Existence in LC collection			20,331	0.90	21,049	1	2	1.04	0.00
$ind2	Source of call number			20,331	0.90	21,049	1	2	1.04	0.00
$#	number/occurrence of field (in KBR version)			1,254	0.06	1,292	1	2	1.03	0.00
$a	Classification number			20,331	0.90	21,053	1	2	1.04	0.00
$b	Item number			2,623	0.12	2,947	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				2	0.00	2	1
$c	Alternate G0 or G1 character set			2	0.00	3	1	2	1.25	0.20
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				14,055	0.63	15,889	1	4	1.13	0.00
$ind1	Type of edition			14,055	0.63	15,889	1	4	1.13	0.00
$#	number/occurrence of field (in KBR version)			553	0.02	661	1	4	1.19	0.00
$a	Universal Decimal Classification number			14,055	0.63	15,889	1	4	1.13	0.00
$2	Edition identifier			164	0.01	211	1	4	1.28	0.02
082 — Dewey Decimal Classification Number				6,168	0.27	6,378	1	4	1.03	0.00
$ind1	Type of edition			6,168	0.27	6,378	1	4	1.03	0.00
$ind2	Source of classification number			6,168	0.27	6,378	1	4	1.03	0.00
$#	number/occurrence of field (in KBR version)			1,201	0.05	1,213	1	2	1.01	0.00
$a	Classification number			6,168	0.27	6,405	1	4	1.04	0.00
$b	Item number			1,700	0.08	1,700	1
$q	Assigning agency			2	0.00	2	1
$2	Edition information			1,151	0.05	1,153	1	2	1.00	0.00
084 — Other Classification Number				10,297	0.46	15,899	1	6	1.56	0.00
$#	number/occurrence of field (in KBR version)			789	0.04	1,196	1	5	1.56	0.00
$a	Classification number			10,297	0.46	15,929	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				647,195	28.80	647,217	1	4	1.00	0.00
$ind1	Type of personal name entry element			647,195	28.80	647,217	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			159,759	7.11	159,779	1	4	1.00	0.00
$*	Link with identifier (in KBR version)			647,195	28.80	647,225	1	4	1.00	0.00
$@	Language of field (in KBR version)			401	0.02	403	1	2	1.00	0.00
$a	Personal name			647,189	28.80	647,220	1	4	1.00	0.00
$b	Numeration			2,020	0.09	2,021	1	2	1.00	0.00
$c	Titles and words associated with a name			148,576	6.61	153,769	1	9	1.03	0.00
$d	Dates associated with a name			290,308	12.92	290,394	1	4	1.00	0.00
$e	Relator term			97	0.00	97	1
$g	Miscellaneous information			3,743	0.17	3,743	1	2	1.00	0.00
$j	Attribution qualifier			46	0.00	46	1
$l	Language of a work			3	0.00	3	1
$q	Fuller form of name			15,143	0.67	15,195	1	3	1.00	0.00
$0	Authority record control number or standard number			28	0.00	28	1
$1	Real World Object URI			443,903	19.75	443,990	1	4	1.00	0.00
$4	Relationship			313,393	13.94	331,411	1	6	1.05	0.00
110 — Main Entry - Corporate Name				68,327	3.04	68,409	1	3	1.00	0.00
$ind1	Type of corporate name entry element			68,327	3.04	68,409	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			16,601	0.74	16,680	1	3	1.01	0.00
$*	Link with identifier (in KBR version)			68,327	3.04	68,409	1	3	1.00	0.00
$@	Language of field (in KBR version)			2,524	0.11	2,544	1	3	1.03	0.00
$a	Corporate name or jurisdiction name as entry element			67,930	3.02	68,012	1	3	1.00	0.00
$b	Subordinate unit			11,127	0.50	13,530	1	5	1.21	0.00
$c	Location of meeting			3,899	0.17	4,120	1	3	1.03	0.00
$d	Date of meeting or treaty signing			1,829	0.08	1,829	1
$e	Relator term			1	0.00	1	1
$f	Date of a work			2	0.00	2	1
$g	Miscellaneous information			46,229	2.06	46,350	1	3	1.00	0.00
$l	Language of a work			1,709	0.08	1,709	1
$1	Real World Object URI			1,614	0.07	1,615	1	2	1.00	0.00
$4	Relationship			33,114	1.47	37,000	1	6	1.21	0.00
$6	Linkage			3	0.00	3	1
111 — Main Entry - Meeting Name				345	0.02	345	1
$ind1	Type of meeting name entry element			345	0.02	345	1
$#	number/occurrence of field (in KBR version)			52	0.00	52	1
$*	Link with identifier (in KBR version)			345	0.02	345	1
$a	Meeting name or jurisdiction name as entry element			345	0.02	345	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				130	0.01	130	1
$ind1	Nonfiling characters			130	0.01	130	1
$#	number/occurrence of field (in KBR version)			94	0.00	94	1
$*	Link with identifier (in KBR version)			130	0.01	130	1
$a	Uniform title			130	0.01	130	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			58	0.00	58	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				382	0.02	389	1	10	1.49	0.01
$ind1	Title added entry			382	0.02	389	1	10	1.49	0.01
$ind2	Type			382	0.02	389	1	10	1.49	0.01
$#	number/occurrence of field (in KBR version)			105	0.00	109	1	10	1.81	0.01
$a	Abbreviated title			382	0.02	390	1	10	1.49	0.01
$b	Qualifying information			7	0.00	7	1
222 — Key Title				2	0.00	2	1
$ind2	Nonfiling characters			2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Key title			2	0.00	2	1
240 — Uniform Title				12,069	0.54	12,069	1
$ind1	Uniform title printed or displayed			12,069	0.54	12,069	1
$ind2	Nonfiling characters			12,069	0.54	12,069	1
$#	number/occurrence of field (in KBR version)			2,937	0.13	2,937	1
$*	Link with identifier (in KBR version)			12,069	0.54	12,069	1
$@	Language of field (in KBR version)			85	0.00	85	1
$a	Uniform title			12,069	0.54	12,069	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			2,799	0.12	2,799	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
242 — Translation of Title by Cataloging Agency				534	0.02	548	1	6	1.07	0.01
$ind1	Title added entry			534	0.02	548	1	6	1.07	0.01
$ind2	Nonfiling characters			534	0.02	548	1	6	1.07	0.01
$#	number/occurrence of field (in KBR version)			68	0.00	71	1	2	1.18	0.00
$@	Language of field (in KBR version)			1	0.00	2	2
$a	Title			534	0.02	548	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				2,246,358	99.95	2,246,436	1	4	1.01	0.00
$ind1	Title added entry			2,246,358	99.95	2,246,436	1	4	1.01	0.00
$ind2	Nonfiling characters			2,246,358	99.95	2,246,436	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			584,201	25.99	584,279	1	4	1.02	0.00
$@	Language of field (in KBR version)			9	0.00	13	1	3	1.12	0.00
$a	Title			2,246,326	99.95	2,247,733	1	9	1.01	0.00
$b	Remainder of title			627,365	27.92	627,557	1	10	1.00	0.00
$c	Statement of responsibility, etc.			1,227,864	54.63	1,227,959	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			71,494	3.18	71,494	1	3	1.01	0.00
$k	Form			1	0.00	1	1
$n	Number of part/section of a work			68,421	3.04	79,838	1	25	1.10	0.00
$p	Name of part/section of a work			40,596	1.81	49,942	1	48	1.12	0.00
$s	Version			38	0.00	38	1
$6	Linkage			1,471	0.07	1,471	1
246 — Varying Form of Title				147,299	6.55	162,067	1	24	1.21	0.00
$ind1	Note/added entry controller			147,299	6.55	162,067	1	24	1.21	0.00
$ind2	Type of title			147,299	6.55	162,067	1	24	1.21	0.00
$#	number/occurrence of field (in KBR version)			43,085	1.92	49,415	1	24	1.33	0.00
$@	Language of field (in KBR version)			698	0.03	1,357	1	5	1.92	0.00
$a	Title proper/short title			147,204	6.55	161,791	1	24	1.21	0.00
$b	Remainder of title			23,205	1.03	25,023	1	6	1.10	0.00
$f	Date or sequential designation			3	0.00	3	1	3	1.50	0.07
$g	Miscellaneous information			23,169	1.03	24,483	1	8	1.06	0.00
$h	Medium			14	0.00	31	1	5	1.82	0.15
$i	Display text			56,514	2.51	58,149	1	10	1.03	0.00
$n	Number of part/section of a work			1,338	0.06	1,458	1	9	1.10	0.01
$p	Name of part/section of a work			828	0.04	940	1	9	1.14	0.01
$6	Linkage			1,499	0.07	1,532	1	2	1.02	0.00
247 — Former Title				754	0.03	775	1	3	1.03	0.00
$ind1	Title added entry			754	0.03	775	1	3	1.03	0.00
$ind2	Note controller			754	0.03	775	1	3	1.03	0.00
$#	number/occurrence of field (in KBR version)			70	0.00	71	1	2	1.02	0.01
$a	Title			753	0.03	774	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				151,097	6.72	151,695	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			44,287	1.97	44,800	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			151,009	6.72	151,608	1	4	1.01	0.00
$b	Remainder of edition statement			4,383	0.20	4,383	1	2	1.00	0.00
$6	Linkage			2	0.00	2	1
254 — Musical Presentation Statement				2,084	0.09	2,084	1
$#	number/occurrence of field (in KBR version)			476	0.02	476	1
$a	Musical presentation statement			2,084	0.09	2,084	1	2	1.00	0.00
255 — Cartographic Mathematical Data				4,454	0.20	4,455	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			1,651	0.07	1,652	1	4	1.00	0.00
$a	Statement of scale			4,449	0.20	4,450	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)				164	0.01	165	1	2	1.00	0.00
$ind1	Sequence of publishing statements			164	0.01	165	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			20	0.00	20	1
$a	Place of publication, distribution, etc.			45	0.00	55	1	4	1.21	0.06
$b	Name of publisher, distributor, etc.			163	0.01	164	1	2	1.01	0.01
$c	Date of publication, distribution, etc.			46	0.00	46	1
$3	Materials specified			1	0.00	2	2
263 — Projected Publication Date				554	0.02	554	1
$#	number/occurrence of field (in KBR version)			520	0.02	520	1
$a	Projected publication date			554	0.02	554	1
264 — Production, Publication, Distribution, Manufacture, and Copyright Notice				2,051,343	91.28	2,105,633	1	33	1.05	0.00
$ind1	Sequence of statements			2,051,343	91.28	2,105,633	1	33	1.05	0.00
$ind2	Function of entity			2,051,343	91.28	2,105,633	1	33	1.05	0.00
$#	number/occurrence of field (in KBR version)			531,942	23.67	540,062	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			1,830,870	81.47	2,062,241	1	22	1.13	0.00
$b	Name of producer, publisher, distributor, manufacturer			1,636,042	72.80	1,738,632	1	28	1.07	0.00
$c	Date of production, publication, distribution, manufacture, or copyright notice			1,991,600	88.62	2,041,543	1	32	1.05	0.00
$6	Linkage			118	0.01	118	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				1,766,658	78.61	1,805,819	1	10	1.03	0.00
$#	number/occurrence of field (in KBR version)			444,943	19.80	458,476	1	10	1.05	0.00
$@	Language of field (in KBR version)			3,662	0.16	7,282	1	3	1.96	0.00
$a	Extent			1,646,329	73.25	1,653,433	1	10	1.01	0.00
$b	Other physical details			854,334	38.01	867,467	1	10	1.01	0.00
$c	Dimensions			1,396,434	62.14	1,396,909	1	4	1.00	0.00
$e	Accompanying material			40,244	1.79	40,247	1	4	1.00	0.00
$f	Type of unit			4,264	0.19	10,148	1	4	1.89	0.00
$g	Size of unit			3	0.00	3	1
$6	Linkage			51	0.00	51	1
306 — Playing Time				23	0.00	23	1
$#	number/occurrence of field (in KBR version)			18	0.00	18	1
$a	Playing time			22	0.00	22	1	6	1.02	0.01
$b				4	0.00	4	1
$c				5	0.00	5	1
310 — Current Publication Frequency				3,538	0.16	3,538	1
$#	number/occurrence of field (in KBR version)			1,168	0.05	1,168	1
$a	Current publication frequency			3,538	0.16	3,538	1
$b	Date of current publication frequency			12	0.00	12	1
321 — Former Publication Frequency				16	0.00	16	1	6	1.26	0.02
$#	number/occurrence of field (in KBR version)			16	0.00	16	1	6	1.27	0.02
$a	Former publication frequency			16	0.00	16	1	6	1.26	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				496,069	22.07	496,482	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			292,583	13.02	292,942	1	3	1.01	0.00
$@	Language of field (in KBR version)			10	0.00	10	1
$a	Content type term			496,055	22.07	644,398	1	6	1.23	0.00
$b	Content type code			353	0.02	377	1	3	1.06	0.01
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source			454,056	20.20	454,313	1	3	1.00	0.00
337 — Media Type				495,621	22.05	495,830	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			292,119	13.00	292,325	1	2	1.00	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Media type term			495,453	22.05	495,737	1	2	1.00	0.00
$b	Media type code			419	0.02	419	1
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source			454,296	20.21	454,387	1	2	1.00	0.00
338 — Carrier Type				504,424	22.44	504,685	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			298,902	13.30	299,118	1	2	1.00	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Carrier type term			504,421	22.44	504,747	1	2	1.00	0.00
$b	Carrier type code			716	0.03	717	1	2	1.00	0.00
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source			455,770	20.28	455,956	1	2	1.00	0.00
340 — Physical Medium				176,417	7.85	177,859	1	8	1.00	0.00
$#	number/occurrence of field (in KBR version)			153,419	6.83	153,675	1	4	1.00	0.00
$a	Material base and configuration			28,763	1.28	30,195	1	8	1.01	0.00
$b	Dimensions			389	0.02	389	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			147,426	6.56	147,494	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				51,688	2.30	51,733	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			51,361	2.29	51,406	1	2	1.00	0.00
$a	File type			3,081	0.14	3,081	1
$b	Encoding format			48,624	2.16	48,669	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				11,100	0.49	11,117	1	3	1.00	0.00
$ind1	Format of date			11,100	0.49	11,117	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			2,775	0.12	2,785	1	3	1.01	0.00
$a	Dates of publication and/or sequential designation			11,100	0.49	11,120	1	4	1.00	0.00
$z	Source of information			12	0.00	21	1	3	2.02	0.00
365 — Trade Price				163	0.01	166	1	3	1.00	0.00
$ind1	Start/End designator			163	0.01	166	1	3	1.00	0.00
$ind2	State of issuance			163	0.01	166	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			104	0.00	105	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				449,784	20.01	455,493	1	5	1.01	0.00
$ind1	Series tracing policy			449,784	20.01	455,493	1	5	1.01	0.00
$#	number/occurrence of field (in KBR version)			21,645	0.96	22,080	1	3	1.02	0.00
$a	Series statement			448,575	19.96	455,780	1	5	1.02	0.00
$v	Volume/sequential designation			313,049	13.93	456,704	1	8	1.45	0.00
$x	International Standard Serial Number			2,586	0.12	2,599	1	2	1.01	0.00
5XX: Note
500 — General Note				377,756	16.81	493,540	1	76	1.34	0.00
$#	number/occurrence of field (in KBR version)			105,216	4.68	123,332	1	76	1.26	0.00
$@	Language of field (in KBR version)			2	0.00	2	1	3	1.09	0.00
$a	General note			377,742	16.81	493,628	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				17,020	0.76	17,032	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			5,209	0.23	5,216	1	2	1.00	0.00
$a	Dissertation note			16,948	0.75	16,956	1	2	1.00	0.00
$b	Degree type			11,801	0.53	11,810	1	2	1.00	0.00
$c	Name of granting institution			59	0.00	62	1	2	1.05	0.02
$d	Year degree granted			63	0.00	66	1	2	1.05	0.02
$g	Miscellaneous information			1	0.00	1	1
504 — Bibliography, etc. Note				38,606	1.72	40,145	1	8	1.04	0.00
$#	number/occurrence of field (in KBR version)			37,602	1.67	39,140	1	8	1.04	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Bibliography, etc. note			38,604	1.72	40,144	1	8	1.04	0.00
$b	Number of references			5	0.00	5	1
505 — Formatted Contents Note				24,406	1.09	73,423	1	214	3.16	0.02
$ind1	Display constant controller			24,406	1.09	73,423	1	214	3.16	0.02
$ind2	Level of content designation			24,406	1.09	73,423	1	214	3.16	0.02
$#	number/occurrence of field (in KBR version)			9,832	0.44	27,041	1	214	2.73	0.06
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Formatted contents note			1,918	0.09	3,280	1	35	1.88	0.02
$g	Miscellaneous information			457	0.02	12,038	1	291	25.94	1.37
$r	Statement of responsibility			2,397	0.11	8,867	1	84	4.57	0.05
$t	Title			23,093	1.03	111,922	1	214	4.72	0.03
$u	Uniform Resource Identifier			1	0.00	1	1
$6	Linkage			1	0.00	1	1
506 — Restrictions on Access Note				35,082	1.56	35,093	1	2	1.00	0.00
$ind1	Restriction			35,082	1.56	35,093	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			6,746	0.30	6,756	1	2	1.00	0.00
$a	Terms governing access			35,082	1.56	35,093	1	2	1.00	0.00
$c	Physical access provisions			34,753	1.55	34,755	1	2	1.00	0.00
$d	Authorized users			34,725	1.55	34,727	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				50,952	2.27	58,345	1	10	1.14	0.00
$ind1	Coverage/location in source			50,952	2.27	58,345	1	10	1.14	0.00
$#	number/occurrence of field (in KBR version)			15,453	0.69	20,167	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			50,947	2.27	58,338	1	10	1.14	0.00
$b	Coverage of source			1	0.00	1	1
$c	Location within source			27,767	1.24	29,366	1	4	1.06	0.00
$u	Uniform Resource Identifier			12	0.00	12	1
511 — Participant or Performer Note				14,017	0.62	16,457	1	20	1.17	0.00
$ind1	Display constant controller			14,017	0.62	16,457	1	20	1.17	0.00
$#	number/occurrence of field (in KBR version)			2,536	0.11	3,050	1	8	1.17	0.00
$a	Participant or performer note			14,017	0.62	16,457	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				863	0.04	865	1	5	1.01	0.01
$#	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			861	0.04	861	1	5	1.01	0.01
$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.				137,127	6.10	139,583	1	7	1.02	0.00
$ind1	Display constant controller			137,127	6.10	139,583	1	7	1.02	0.00
$#	number/occurrence of field (in KBR version)			57,818	2.57	57,946	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.			137,116	6.10	139,573	1	7	1.02	0.00
$b	Expansion of summary note			8	0.00	8	1
$c	Assigning source			223	0.01	236	1	2	1.06	0.00
$u	Uniform Resource Identifier			2	0.00	2	1
$2	Source			169	0.01	169	1
521 — Target Audience Note				10,593	0.47	10,644	1	2	1.00	0.00
$ind1	Display constant controller			10,593	0.47	10,644	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			10,560	0.47	10,611	1	2	1.00	0.00
$a	Target audience note			10,592	0.47	10,672	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				5,540	0.25	5,596	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			4,293	0.19	4,307	1	3	1.01	0.00
$a	Additional physical form available note			5,419	0.24	5,475	1	4	1.01	0.00
$b	Availability source			2	0.00	2	1
$c	Availability conditions			88	0.00	88	1
$d	Order number			76	0.00	76	1
$u	Uniform Resource Identifier			341	0.02	407	1	9	1.18	0.02
533 — Reproduction Note				25,426	1.13	25,426	1
$#	number/occurrence of field (in KBR version)			186	0.01	186	1
$a	Type of reproduction			25,426	1.13	25,426	1
$b	Place of reproduction			25,314	1.13	25,314	1
$c	Agency responsible for reproduction			25,314	1.13	25,314	1
$d	Date of reproduction			25,314	1.13	25,314	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			25,313	1.13	50,626	2
$7	Fixed-length data elements of reproduction			25,238	1.12	25,238	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				1,201	0.05	1,201	1
$#	number/occurrence of field (in KBR version)			1,106	0.05	1,106	1
$a	Text of note			1,201	0.05	1,201	1
$b	Contract number			2	0.00	2	1
538 — System Details Note				34,756	1.55	34,882	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			9,433	0.42	9,559	1	3	1.02	0.00
$a	System details note			34,756	1.55	34,882	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				36,855	1.64	36,976	1	3	1.01	0.00
$ind1	Privacy			36,855	1.64	36,976	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			11,531	0.51	11,652	1	3	1.02	0.00
$a	Source of acquisition			36,233	1.61	36,341	1	3	1.01	0.00
$b	Address			1,104	0.05	1,104	1
$c	Method of acquisition			1,684	0.07	1,684	1
$d	Date of acquisition			1,532	0.07	1,545	1	2	1.00	0.00
$e	Accession number			312	0.01	323	1	2	1.03	0.00
$f	Owner			23	0.00	23	1
$n	Extent			15	0.00	15	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	1.10	0.02
$ind1	Type of data			29	0.00	33	1	2	1.10	0.02
$#	number/occurrence of field (in KBR version)			8	0.00	10	1	2	1.10	0.05
$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				2,198	0.10	2,233	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			1,758	0.08	1,767	1	3	1.01	0.00
$a	Language note			1,502	0.07	1,510	1	2	1.01	0.00
$b	Information code or alphabet			943	0.04	1,046	1	4	1.11	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				3,783	0.17	3,984	1	6	1.16	0.00
$ind1	Privacy			3,783	0.17	3,984	1	6	1.16	0.00
$#	number/occurrence of field (in KBR version)			3,779	0.17	3,979	1	6	1.14	0.00
$a	History			3,780	0.17	3,980	1	6	1.16	0.00
$u	Uniform Resource Identifier			1	0.00	2	2
562 — Copy and Version Identification Note				86,826	3.86	104,197	1	12	1.13	0.00
$#	number/occurrence of field (in KBR version)			23,655	1.05	28,844	1	12	1.12	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Identifying markings			6,119	0.27	6,500	1	5	1.05	0.00
$b	Copy identification			80,222	3.57	97,288	1	12	1.15	0.00
$c	Version identification			430	0.02	431	1	2	1.00	0.00
$d	Presentation format			7	0.00	7	1
$e	Number of copies			620	0.03	622	1	2	1.00	0.00
563 — Binding Information				3,301	0.15	3,503	1	3	1.02	0.00
$#	number/occurrence of field (in KBR version)			2,852	0.13	3,053	1	3	1.06	0.00
$a	Binding note			3,299	0.15	3,503	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				2,447	0.11	2,502	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			1,409	0.06	1,419	1	2	1.01	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Linking entry complexity note			2,447	0.11	2,502	1	4	1.01	0.00
$6	Linkage			1	0.00	1	1
581 — Publications About Described Materials Note				2,516	0.11	2,681	1	4	1.02	0.00
$ind1	Display constant controller			2,516	0.11	2,681	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			2,504	0.11	2,669	1	4	1.02	0.00
$@	Language of field (in KBR version)			2	0.00	6	1	4	1.09	0.07
$a	Publications about described materials note			2,515	0.11	2,680	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				232	0.01	308	1	15	1.32	0.01
$#	number/occurrence of field (in KBR version)			232	0.01	308	1	15	1.32	0.01
$a	Exhibitions note			232	0.01	308	1	15	1.32	0.01
586 — Awards Note				216	0.01	238	1	6	1.11	0.02
$ind1	Display constant controller			216	0.01	238	1	6	1.11	0.02
$#	number/occurrence of field (in KBR version)			215	0.01	237	1	6	1.11	0.02
$a	Awards note			216	0.01	238	1	6	1.11	0.02
588 — Source of Description Note				91,462	4.07	91,506	1	3	1.00	0.00
$ind1	Display constant controller			91,462	4.07	91,506	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			66,332	2.95	66,376	1	3	1.00	0.00
$a	Source of description note			91,462	4.07	91,506	1	3	1.00	0.00
6XX: Subject Access
600 — Subject Added Entry - Personal Name				10,859	0.48	19,728	1	125	1.70	0.02
$ind1	Type of personal name entry element			10,859	0.48	19,728	1	125	1.70	0.02
$ind2	Thesaurus			10,859	0.48	19,728	1	125	1.70	0.02
$#	number/occurrence of field (in KBR version)			8,089	0.36	12,336	1	114	1.49	0.02
$*	Link with identifier (in KBR version)			10,859	0.48	19,728	1	125	1.70	0.02
$@	Language of field (in KBR version)			79	0.00	90	1	5	1.10	0.03
$a	Personal name			10,859	0.48	19,728	1	125	1.70	0.02
$b	Numeration			301	0.01	322	1	4	1.07	0.01
$c	Titles and other words associated with a name			5,999	0.27	9,825	1	117	1.60	0.04
$d	Dates associated with a name			9,137	0.41	13,700	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			305	0.01	335	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	1.50	0.35
$1	Real World Object URI			8,815	0.39	12,789	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
610 — Subject Added Entry - Corporate Name				491	0.02	557	1	5	1.12	0.01
$ind1	Type of corporate name entry element			491	0.02	557	1	5	1.12	0.01
$ind2	Thesaurus			491	0.02	557	1	5	1.12	0.01
$#	number/occurrence of field (in KBR version)			438	0.02	476	1	4	1.08	0.01
$*	Link with identifier (in KBR version)			491	0.02	557	1	5	1.12	0.01
$@	Language of field (in KBR version)			14	0.00	14	1
$a	Corporate name or jurisdiction name as entry element			491	0.02	557	1	5	1.12	0.01
$b	Subordinate unit			38	0.00	70	1	6	1.84	0.13
$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			168	0.01	188	1	5	1.10	0.02
$k	Form subheading			1	0.00	1	1
$n	Number of part/section/meeting			2	0.00	2	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				19	0.00	19	1
$ind2	Thesaurus			19	0.00	19	1
$#	number/occurrence of field (in KBR version)			19	0.00	19	1
$*	Link with identifier (in KBR version)			19	0.00	19	1
$a	Named event			19	0.00	19	1
$d	Date of named event			19	0.00	19	1
648 — Subject Added Entry - Chronological Term				3,235	0.14	4,642	1	6	1.32	0.00
$ind2	Thesaurus			3,235	0.14	4,642	1	6	1.32	0.00
$#	number/occurrence of field (in KBR version)			890	0.04	1,191	1	6	1.26	0.00
$*	Link with identifier (in KBR version)			3,235	0.14	4,642	1	6	1.32	0.00
$a	Chronological term			3,235	0.14	4,642	1	6	1.32	0.00
$2	Source of heading or term			15	0.00	15	1
650 — Subject Added Entry - Topical Term				349,539	15.55	979,589	1	81	2.60	0.00
$ind1	Level of subject			349,539	15.55	979,589	1	81	2.60	0.00
$ind2	Thesaurus			349,539	15.55	979,589	1	81	2.60	0.00
$#	number/occurrence of field (in KBR version)			27,214	1.21	53,299	1	81	1.69	0.00
$*	Link with identifier (in KBR version)			349,539	15.55	979,678	1	81	2.61	0.00
$@	Language of field (in KBR version)			6,728	0.30	11,647	1	51	1.49	0.00
$a	Topical term or geographic name entry element			349,537	15.55	979,676	1	81	2.61	0.00
$b	Topical term following geographic name entry element			9,940	0.44	10,054	1	4	1.01	0.00
$c	Location of event			1	0.00	1	1	2	1.03	0.03
$g	Miscellaneous information			219,973	9.79	480,456	1	81	2.11	0.00
$v	Form subdivision			9,805	0.44	10,006	1	12	1.02	0.00
$x	General subdivision			1,633	0.07	2,480	1	16	1.45	0.01
$y	Chronological subdivision			1,303	0.06	1,419	1	8	1.09	0.01
$z	Geographic subdivision			821	0.04	1,466	1	10	1.77	0.01
$0	Authority record control number or standard number			157,655	7.01	377,844	1	27	2.23	0.00
$1	Real World Object URI			4	0.00	4	1
$2	Source of heading or term			263,179	11.71	836,284	1	81	3.03	0.00
651 — Subject Added Entry - Geographic Name				6,345	0.28	8,254	1	17	1.10	0.00
$ind2	Thesaurus			6,345	0.28	8,254	1	17	1.10	0.00
$#	number/occurrence of field (in KBR version)			4,917	0.22	5,775	1	17	1.09	0.00
$*	Link with identifier (in KBR version)			6,345	0.28	8,254	1	17	1.10	0.00
$@	Language of field (in KBR version)			1,202	0.05	1,380	1	6	1.11	0.00
$a	Geographic name			6,345	0.28	8,254	1	17	1.10	0.00
$g	Miscellaneous information			110	0.00	142	1	9	1.51	0.04
$v	Form subdivision			906	0.04	2,940	1	12	2.45	0.00
$x	General subdivision			706	0.03	2,133	1	16	2.38	0.01
$y	Chronological subdivision			108	0.00	150	1	8	1.38	0.08
$z	Geographic subdivision			27	0.00	35	1	6	1.34	0.17
$0	Authority record control number or standard number			2,103	0.09	2,139	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				635,627	28.28	6,746,455	1	255	8.41	0.00
$ind1	Level of index term			635,627	28.28	6,746,455	1	255	8.41	0.00
$ind2	Type of term or name			635,627	28.28	6,746,455	1	255	8.41	0.00
$#	number/occurrence of field (in KBR version)			12,383	0.55	19,050	1	61	1.04	0.00
$@	Language of field (in KBR version)			362,252	16.12	6,390,867	1	255	17.61	0.00
$a	Uncontrolled term			635,627	28.28	6,746,604	1	255	8.41	0.00
$1	Real World Object URI			12	0.00	33	2	4	2.75	0.12
654 — Subject Added Entry - Faceted Topical Terms				122,709	5.46	255,066	1	34	1.91	0.00
$ind1	Level of subject			122,709	5.46	255,066	1	34	1.91	0.00
$#	number/occurrence of field (in KBR version)			5,501	0.24	8,293	1	13	1.45	0.00
$*	Link with identifier (in KBR version)			122,709	5.46	290,990	1	66	2.15	0.00
$@	Language of field (in KBR version)			1,789	0.08	2,837	1	13	1.47	0.01
$a	Focus term			122,709	5.46	290,989	1	66	2.15	0.00
$b	Non-focus term			112,202	4.99	358,636	1	62	2.87	0.00
$v	Form subdivision			111	0.00	157	1	5	1.42	0.04
$y	Chronological subdivision			2,996	0.13	3,599	1	10	1.18	0.00
$z	Geographic subdivision			797	0.04	1,288	1	9	1.60	0.02
$0	Authority record control number or standard number			20	0.00	25	1	2	1.25	0.04
$2	Source of heading or term			120,547	5.36	251,871	1	34	1.92	0.00
655 — Index Term - Genre/Form				61,916	2.75	77,877	1	12	1.30	0.00
$ind1	Type of heading			61,916	2.75	77,877	1	12	1.30	0.00
$ind2	Thesaurus			61,916	2.75	77,877	1	12	1.30	0.00
$#	number/occurrence of field (in KBR version)			59,690	2.66	73,858	1	5	1.26	0.00
$*	Link with identifier (in KBR version)			61,916	2.75	77,882	1	12	1.31	0.00
$@	Language of field (in KBR version)			6,560	0.29	9,655	1	5	1.59	0.00
$a	Genre/form data or focus term			61,916	2.75	77,882	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			9	0.00	9	1
$0	Authority record control number			59,676	2.66	74,173	1	9	1.25	0.00
$1	Real World Object URI			1	0.00	1	1
$2	Source of term			6,147	0.27	6,168	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				592,490	26.36	1,326,617	1	128	2.27	0.00
$ind1	Type of personal name entry element			592,490	26.36	1,326,617	1	128	2.27	0.00
$ind2	Type of added entry			592,490	26.36	1,326,617	1	128	2.27	0.00
$#	number/occurrence of field (in KBR version)			247,132	11.00	443,213	1	128	1.81	0.00
$*	Link with identifier (in KBR version)			592,490	26.36	1,326,638	1	128	2.27	0.00
$@	Language of field (in KBR version)			622	0.03	675	1	4	1.30	0.00
$a	Personal name			592,489	26.36	1,326,638	1	128	2.27	0.00
$b	Numeration			8,699	0.39	9,656	1	26	1.10	0.00
$c	Titles and other words associated with a name			245,151	10.91	353,838	1	90	1.58	0.00
$d	Dates associated with a name			409,729	18.23	672,561	1	125	1.76	0.00
$e	Relator term			99	0.00	151	1	4	1.52	0.03
$g	Miscellaneous information			7,752	0.34	8,808	1	14	1.16	0.00
$i	Relationship information			1	0.00	1	1
$j	Attribution qualifier			372	0.02	407	1	4	1.09	0.01
$k	Form subheading			3	0.00	5	1	2	1.67	0.25
$l	Language of a work			537	0.02	615	1	8	1.15	0.01
$q	Fuller form of name			26,032	1.16	27,779	1	8	1.07	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			166	0.01	168	1	2	1.01	0.01
$1	Real World Object URI			490,708	21.83	920,168	1	120	1.93	0.00
$3	Materials specified			109	0.00	153	1	3	1.40	0.02
$4	Relationship			422,318	18.79	968,024	1	128	2.33	0.00
$5	Institution to which field applies			4	0.00	5	1	2	1.25	0.20
710 — Added Entry - Corporate Name				831,734	37.01	934,023	1	28	1.13	0.00
$ind1	Type of corporate name entry element			831,734	37.01	934,023	1	28	1.13	0.00
$ind2	Type of added entry			831,734	37.01	934,023	1	28	1.13	0.00
$#	number/occurrence of field (in KBR version)			244,331	10.87	278,719	1	28	1.16	0.00
$*	Link with identifier (in KBR version)			831,733	37.01	934,019	1	28	1.13	0.00
$@	Language of field (in KBR version)			53,220	2.37	57,543	1	18	1.12	0.00
$a	Corporate name or jurisdiction name as entry element			831,522	37.00	933,675	1	28	1.13	0.00
$b	Subordinate unit			77,276	3.44	93,936	1	10	1.21	0.00
$c	Location of meeting			91,271	4.06	97,878	1	8	1.09	0.00
$d	Date of meeting or treaty signing			21,788	0.97	23,323	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			540,297	24.04	589,712	1	27	1.10	0.00
$i	Relationship information			1	0.00	1	1
$l	Language of a work			5,288	0.24	5,770	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			189,143	8.42	190,207	1	4	1.01	0.00
$3	Materials specified			1	0.00	1	1
$4	Relationship			802,741	35.72	907,625	1	28	1.14	0.00
$6	Linkage			1	0.00	1	1
711 — Added Entry - Meeting Name				1,326	0.06	1,415	1	5	1.07	0.00
$ind1	Type of meeting name entry element			1,326	0.06	1,415	1	5	1.07	0.00
$ind2	Type of added entry			1,326	0.06	1,415	1	5	1.07	0.00
$#	number/occurrence of field (in KBR version)			36	0.00	39	1	2	1.08	0.02
$*	Link with identifier (in KBR version)			1,326	0.06	1,415	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			1,326	0.06	1,415	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			589	0.03	617	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				67,235	2.99	95,006	1	33	1.41	0.00
$ind1	Type of name			67,235	2.99	95,006	1	33	1.41	0.00
$#	number/occurrence of field (in KBR version)			55,974	2.49	80,869	1	33	1.44	0.00
$a	Name			67,224	2.99	94,989	1	33	1.41	0.00
$e	Relator term			303	0.01	562	1	12	1.85	0.05
$4	Relationship			58,944	2.62	85,435	1	33	1.45	0.00
730 — Added Entry - Uniform Title				2,857	0.13	3,762	1	11	1.32	0.01
$ind1	Nonfiling characters			2,857	0.13	3,762	1	11	1.32	0.01
$ind2	Type of added entry			2,857	0.13	3,762	1	11	1.32	0.01
$#	number/occurrence of field (in KBR version)			1,608	0.07	2,327	1	11	1.46	0.01
$*	Link with identifier (in KBR version)			2,857	0.13	3,762	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			2,857	0.13	3,762	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				1,137	0.05	1,270	1	3	1.12	0.00
$#	number/occurrence of field (in KBR version)			1,079	0.05	1,206	1	3	1.12	0.00
$*	Link with identifier (in KBR version)			1,137	0.05	1,270	1	3	1.12	0.00
$@	Language of field (in KBR version)			407	0.02	458	1	2	1.13	0.00
$a	Geographic name			1,137	0.05	1,270	1	3	1.12	0.00
$e	Relator term			1	0.00	1	1
$4	Relationship			1,111	0.05	1,244	1	3	1.12	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				2,293	0.10	2,295	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			78	0.00	80	1	2	1.03	0.01
$a	Label			2,291	0.10	2,291	1
$i	Relationship information			2,291	0.10	2,291	1
$1	Real World Object URI			2	0.00	4	2
$4	Relationship			2,293	0.10	2,293	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				9,496	0.42	9,778	1	10	1.03	0.00
$ind1	Note controller			9,496	0.42	9,778	1	10	1.03	0.00
$ind2	Display constant controller			9,496	0.42	9,778	1	10	1.03	0.00
$#	number/occurrence of field (in KBR version)			7,072	0.31	7,318	1	10	1.03	0.00
$*	Link with identifier (in KBR version)			9,496	0.42	9,778	1	10	1.03	0.00
$a	Main entry heading			4,901	0.22	5,075	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			9,496	0.42	9,778	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			7,223	0.32	7,450	1	10	1.03	0.00
767 — Translation Entry				4,028	0.18	5,203	1	18	1.29	0.01
$ind1	Note controller			4,028	0.18	5,203	1	18	1.29	0.01
$ind2	Display constant controller			4,028	0.18	5,203	1	18	1.29	0.01
$#	number/occurrence of field (in KBR version)			3,049	0.14	4,099	1	18	1.34	0.01
$*	Link with identifier (in KBR version)			4,028	0.18	5,203	1	18	1.29	0.01
$a	Main entry heading			2,060	0.09	2,695	1	17	1.31	0.01
$g	Related parts			16	0.00	16	1
$t	Title			4,028	0.18	5,203	1	18	1.29	0.01
$z	International Standard Book Number			2,588	0.12	3,313	1	14	1.28	0.01
770 — Supplement/Special Issue Entry				84	0.00	110	1	10	1.33	0.04
$ind1	Note controller			84	0.00	110	1	10	1.33	0.04
$ind2	Display constant controller			84	0.00	110	1	10	1.33	0.04
$#	number/occurrence of field (in KBR version)			63	0.00	89	1	10	1.39	0.08
$*	Link with identifier (in KBR version)			84	0.00	110	1	10	1.33	0.04
$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			84	0.00	110	1	10	1.33	0.04
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			13	0.00	13	1
772 — Supplement Parent Entry				1,400	0.06	1,403	1	9	1.03	0.01
$ind1	Note controller			1,400	0.06	1,403	1	9	1.03	0.01
$ind2	Display constant controller			1,400	0.06	1,403	1	9	1.03	0.01
$#	number/occurrence of field (in KBR version)			281	0.01	284	1	2	1.01	0.00
$*	Link with identifier (in KBR version)			1,400	0.06	1,403	1	9	1.03	0.01
$a	Main entry heading			180	0.01	180	1
$g	Related parts			1,173	0.05	2,021	1	2	1.70	0.00
$k	Series data for related item			1	0.00	1	1
$t	Title			1,399	0.06	1,402	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				400,711	17.83	422,793	1	6	1.05	0.00
$ind1	Note controller			400,711	17.83	422,793	1	6	1.05	0.00
$ind2	Display constant controller			400,711	17.83	422,793	1	6	1.05	0.00
$#	number/occurrence of field (in KBR version)			213,215	9.49	227,817	1	6	1.06	0.00
$*	Link with identifier (in KBR version)			400,711	17.83	422,814	1	6	1.05	0.00
$@	Language of field (in KBR version)			8	0.00	8	1
$a	Main entry heading			84,133	3.74	85,132	1	5	1.01	0.00
$b	Edition			38,804	1.73	39,981	1	3	1.03	0.00
$d	Place, publisher, and date of publication			1	0.00	1	1
$g	Related parts			350,423	15.59	364,409	1	6	1.04	0.00
$h	Physical description			2,368	0.11	2,389	1	2	1.00	0.00
$i	Relationship information			2,159	0.10	2,185	1	4	1.01	0.00
$n	Note			39,566	1.76	39,898	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			400,711	17.83	422,814	1	6	1.05	0.00
$x	International Standard Serial Number			18	0.00	18	1
$z	International Standard Book Number			5,439	0.24	5,501	1	6	1.01	0.00
$0				8	0.00	14	1	2	1.75	0.10
$6	Linkage			1	0.00	1	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				31,488	1.40	69,177	1	25	1.96	0.00
$ind1	Note controller			31,488	1.40	69,177	1	25	1.96	0.00
$ind2	Display constant controller			31,488	1.40	69,177	1	25	1.96	0.00
$#	number/occurrence of field (in KBR version)			25,201	1.12	59,667	1	25	2.21	0.00
$*	Link with identifier (in KBR version)			31,475	1.40	69,174	1	25	1.96	0.00
$a	Main entry heading			16,515	0.73	34,257	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	465	2	10	5.41	0.08
$g	Related parts			1,509	0.07	1,572	1	7	1.04	0.01
$i	Relationship information			16,596	0.74	38,989	1	23	1.95	0.00
$m	Material-specific details			3	0.00	3	1
$t	Title			31,475	1.40	69,174	1	25	1.96	0.00
$w	Record control number			1	0.00	1	1
$z	International Standard Book Number			23,301	1.04	52,317	1	25	2.15	0.00
776 — Additional Physical Form Entry				12,837	0.57	13,083	1	8	1.03	0.00
$ind1	Note controller			12,837	0.57	13,083	1	8	1.03	0.00
$ind2	Display constant controller			12,837	0.57	13,083	1	8	1.03	0.00
$#	number/occurrence of field (in KBR version)			10,487	0.47	10,728	1	8	1.04	0.00
$*	Link with identifier (in KBR version)			12,837	0.57	13,083	1	8	1.03	0.00
$a	Main entry heading			6,413	0.29	6,517	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			109	0.00	109	1	2	1.01	0.01
$i	Relationship information			8,504	0.38	8,676	1	8	1.07	0.00
$k	Series data for related item			1	0.00	2	2
$n	Note			1	0.00	1	1
$t	Title			12,837	0.57	13,083	1	8	1.03	0.00
$w	Record control number			116	0.01	116	1
$z	International Standard Book Number			6,538	0.29	6,730	1	8	1.04	0.00
777 — Issued With Entry				749	0.03	1,595	1	10	1.80	0.01
$ind1	Note controller			749	0.03	1,595	1	10	1.80	0.01
$ind2	Display constant controller			749	0.03	1,595	1	10	1.80	0.01
$#	number/occurrence of field (in KBR version)			584	0.03	1,373	1	10	1.90	0.01
$*	Link with identifier (in KBR version)			749	0.03	1,595	1	10	1.80	0.01
$a	Main entry heading			455	0.02	979	1	10	2.04	0.02
$g	Related parts			57	0.00	60	1	5	1.21	0.02
$t	Title			749	0.03	1,595	1	10	1.80	0.01
780 — Preceding Entry				634	0.03	663	1	9	1.06	0.00
$ind1	Note controller			634	0.03	663	1	9	1.06	0.00
$ind2	Type of relationship			634	0.03	663	1	9	1.06	0.00
$#	number/occurrence of field (in KBR version)			336	0.01	351	1	7	1.07	0.00
$*	Link with identifier (in KBR version)			634	0.03	663	1	9	1.06	0.00
$a	Main entry heading			150	0.01	156	1	2	1.03	0.00
$g	Related parts			48	0.00	49	1	2	1.06	0.01
$t	Title			634	0.03	663	1	9	1.06	0.00
$z	International Standard Book Number			110	0.00	116	1	2	1.05	0.01
785 — Succeeding Entry				534	0.02	571	1	15	1.06	0.00
$ind1	Note controller			534	0.02	571	1	15	1.06	0.00
$ind2	Type of relationship			534	0.02	571	1	15	1.06	0.00
$#	number/occurrence of field (in KBR version)			277	0.01	303	1	3	1.05	0.00
$*	Link with identifier (in KBR version)			534	0.02	571	1	15	1.06	0.00
$a	Main entry heading			121	0.01	127	1	2	1.04	0.01
$g	Related parts			49	0.00	52	1	2	1.06	0.01
$t	Title			534	0.02	571	1	15	1.06	0.00
$z	International Standard Book Number			99	0.00	106	1	2	1.06	0.01
786 — Data Source Entry				932	0.04	1,408	1	7	1.42	0.00
$ind1	Note controller			932	0.04	1,408	1	7	1.42	0.00
$ind2	Display constant controller			932	0.04	1,408	1	7	1.42	0.00
$#	number/occurrence of field (in KBR version)			930	0.04	1,406	1	7	1.43	0.00
$*	Link with identifier (in KBR version)			932	0.04	1,408	1	7	1.42	0.00
$a	Main entry heading			510	0.02	530	1	4	1.25	0.00
$g	Related parts			915	0.04	1,488	1	7	1.52	0.00
$t	Title			932	0.04	1,408	1	7	1.42	0.00
$z	International Standard Book Number			639	0.03	989	1	4	1.22	0.00
787 — Other Relationship Entry				1,690	0.08	2,093	1	15	1.08	0.00
$ind1	Note controller			1,690	0.08	2,093	1	15	1.08	0.00
$ind2	Display constant controller			1,690	0.08	2,093	1	15	1.08	0.00
$#	number/occurrence of field (in KBR version)			1,117	0.05	1,467	1	15	1.10	0.00
$*	Link with identifier (in KBR version)			1,690	0.08	2,097	1	15	1.08	0.00
$a	Main entry heading			620	0.03	807	1	11	1.31	0.01
$g	Related parts			826	0.04	866	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			1,690	0.08	2,097	1	15	1.08	0.00
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			719	0.03	952	1	12	1.18	0.01
80X-83X: Series Added Entry
800 — Series Added Entry - Personal Name				1,104	0.05	1,105	1	2	1.00	0.00
$ind1	Type of personal name entry element			1,104	0.05	1,105	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			99	0.00	99	1
$*	Link with identifier (in KBR version)			1,104	0.05	1,105	1	2	1.00	0.00
$a	Personal name			1,104	0.05	1,105	1	2	1.00	0.00
$c	Titles and other words associated with a name			33	0.00	36	1	2	1.04	0.01
$d	Dates associated with a name			174	0.01	174	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				415,335	18.48	421,765	1	54	1.01	0.00
$ind1	Shelving scheme			415,335	18.48	421,765	1	54	1.01	0.00
$ind2	Shelving order			415,335	18.48	421,765	1	54	1.01	0.00
$#	number/occurrence of field (in KBR version)			21,694	0.97	21,719	1	4	1.00	0.00
$@	Language of field (in KBR version)			38	0.00	38	1
$a	Location			393,774	17.52	400,203	1	54	1.02	0.00
$b	Sublocation or collection			393,773	17.52	400,165	1	54	1.02	0.00
$c	Shelving location			404,351	17.99	410,714	1	54	1.01	0.00
$d	Former shelving location			11,016	0.49	11,019	1	4	1.00	0.00
$e	Address			154,824	6.89	161,054	1	54	1.04	0.00
$h	Classification part			391,558	17.42	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	17.52	400,132	1	54	1.02	0.00
$q	Piece physical condition			154,824	6.89	161,054	1	54	1.04	0.00
$t	Copy number			393,763	17.52	400,125	1	54	1.02	0.00
$x	Nonpublic note			2	0.00	2	1
856 — Electronic Location and Access				94,046	4.18	100,153	1	51	1.08	0.00
$ind1	Access method			94,046	4.18	100,153	1	51	1.08	0.00
$ind2	Relationship			94,046	4.18	100,153	1	51	1.08	0.00
$#	number/occurrence of field (in KBR version)			28,520	1.27	30,190	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			93,948	4.18	100,365	1	51	1.08	0.00
$x	Nonpublic note			8,976	0.40	8,981	1	5	1.00	0.00
$y	Link text			3,328	0.15	6,913	1	51	2.06	0.03
$z	Public note			26,559	1.18	26,653	1	10	1.01	0.00
$3	Materials specified			108	0.00	197	1	4	1.77	0.02
$7	Access status			37,486	1.67	42,538	1	51	1.10	0.00
880 — Alternate Graphic Representation				2,958	0.13	3,241	1	4	1.10	0.00
$#	number/occurrence of field (in KBR version)			2,956	0.13	3,235	1	4	1.09	0.00
$a	Same as associated field			2,954	0.13	3,239	1	4	1.10	0.00
$b	Same as associated field			369	0.02	490	1	4	1.33	0.01
$c	Same as associated field			471	0.02	584	1	3	1.24	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			88	0.00	98	1	3	1.11	0.02
$p	Same as associated field			32	0.00	37	1	3	1.16	0.06
$z	Same as associated field			1	0.00	1	1
$6	Linkage			2,947	0.13	3,227	1	4	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				807	0.04	874	1	7	1.47	0.00
$ind1	Field encoding level			807	0.04	874	1	7	1.47	0.00
$ind2	Type of notation			807	0.04	874	1	7	1.47	0.00
$#	number/occurrence of field (in KBR version)			438	0.02	460	1	7	1.33	0.00
$a	Textual holdings			804	0.04	871	1	7	1.47	0.00
$x	Nonpublic note			111	0.00	163	1	7	1.53	0.00
$z	Public note			77	0.00	77	1	4	1.01	0.01
OCLCMARC tags
911 — Manifestation identifier				909,486	40.47	909,625	1	4	1.00	0.00
$ind1				381,557	16.98	381,560	1	2	1.00	0.00
$#				537,559	23.92	537,689	1	4	1.00	0.00
$a				909,486	40.47	946,550	1	8	1.04	0.00
Locally defined tags of the Royal Library of Belgium
997 — Item information				1,734,450	77.18	2,049,316	1	254	1.14	0.00
$#	number/occurrence of field			67,677	3.01	90,449	1	16	1.29	0.00
$*	Link with identifier			1,734,450	77.18	2,049,319	1	254	1.14	0.00
$a	Barcode number			1,734,450	77.18	2,049,316	1	254	1.14	0.00
$c	Library (holding institution)			1,734,449	77.18	2,049,321	1	254	1.14	0.00
$d	Section (department of holding institution)			1,734,450	77.18	2,049,322	1	254	1.14	0.00
$g	Call Number			1,682,470	74.86	1,994,214	1	254	1.14	0.00
$h	Rating2			855	0.04	870	1	2	1.02	0.00
$t	Document type			1,734,449	77.18	2,047,513	1	254	1.14	0.00
$v	inventory number			48,965	2.18	53,662	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