QA catalogue for analysing library data

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

number of records: 457,058

Fields		fields	pos./subf.		count	%
Fields defined in MARC21
00X	Control Fields	1	35		457,058	100.00
01X-09X	Numbers and Code	11	47		457,057	100.00
1XX	Main Entry	2	25		53,677	11.74
20X-24X	Title	3	27		457,057	100.00
25X-28X	Edition, Imprint	3	13		110,052	24.08
3XX	Physical Description	13	52		273,506	59.84
4XX	Series Statement	1	4		6,650	1.45
5XX	Note	19	71		94,578	20.69
6XX	Subject Access	9	78		281,117	61.51
70X-75X	Added Entry	4	39		88,610	19.39
76X-78X	Linking Entry	9	78		33,084	7.24
80X-83X	Series Added Entry	2	13		6	0.00
841-88X	Holdings, Location, Alternate Graphics	2	15		398,377	87.16
Holdings	MARC Holdings tags	1	5		9	0.00
Fields defined in extensions of MARC
OCLC	OCLCMARC tags	1	3		329	0.07
KBR	Locally defined tags of the Royal Library of Belgium	1	9		456,609	99.90
unknown	unknown origin	3	5		7	0.00
Total number of data elements		85	519

				records		occurences
				count	%	count	min	max	⌀	σ
00X: Control Fields
Leader
00	Record length			457,058	100.00	457,058	1
05	Record status			457,058	100.00	457,058	1
06	Type of record			457,058	100.00	457,058	1
07	Bibliographic level			457,058	100.00	457,058	1
08	Type of control			457,058	100.00	457,058	1
09	Character coding scheme			457,058	100.00	457,058	1
10	Indicator count			457,058	100.00	457,058	1
11	Subfield code count			457,058	100.00	457,058	1
12	Base address of data			457,058	100.00	457,058	1
17	Encoding level			457,058	100.00	457,058	1
18	Descriptive cataloging form			457,058	100.00	457,058	1
19	Multipart resource record level			457,058	100.00	457,058	1
20	Length of the length-of-field portion			457,058	100.00	457,058	1
21	Length of the starting-character-position portion			457,058	100.00	457,058	1
22	Length of the implementation-defined portion			457,058	100.00	457,058	1
23	Undefined			457,058	100.00	457,058	1
001 — Control Number				457,058	100.00	457,058	1
007 — Physical Description
Common
00	Category of material			103,614	22.67	103,614	1	2	1.05	0.00
Nonprojected graphic
01	Specific material designation			95,689	20.94	95,689	1
Text
01	Specific material designation			8	0.00	8	1	2	1.00	0.00
Unspecified
01	Specific material designation			7,863	1.72	7,863	1
Videorecording
01	Specific material designation			54	0.01	54	1
008 — General Information
All Materials
00	Date entered on file			456,328	99.84	456,328	1
06	Type of date/Publication status			456,328	99.84	456,328	1
07	Date 1			456,328	99.84	456,328	1
11	Date 2			456,328	99.84	456,328	1
15	Place of publication, production, or execution			456,328	99.84	456,328	1
35	Language			451,343	98.75	451,343	1
38	Modified record			451,343	98.75	451,343	1
39	Cataloging source			451,343	98.75	451,343	1
Visual Materials
18	Running time for motion pictures and videorecordings			456,328	99.84	456,328	1
22	Target audience			456,328	99.84	456,328	1
28	Government publication			451,344	98.75	451,344	1
29	Form of item			451,344	98.75	451,344	1
33	Type of visual material			451,344	98.75	451,344	1
34	Technique			451,344	98.75	451,344	1
01X-09X: Numbers and Code
017 — Copyright or Legal Deposit Number				115	0.03	116	1	254	1.02	0.00
$ind2	Display constant controller			115	0.03	116	1	254	1.02	0.00
$#	number/occurrence of field (in KBR version)			11	0.00	11	1	45	1.01	0.00
$a	Copyright or legal deposit number			115	0.03	116	1	254	1.02	0.00
$b	Assigning agency			8	0.00	8	1	16	1.00	0.00
020 — International Standard Book Number				177	0.04	179	1	200	1.04	0.00
$#	number/occurrence of field (in KBR version)			44	0.01	46	1	84	1.03	0.00
$a	International Standard Book Number			109	0.02	111	1	100	1.04	0.00
$c	Terms of availability			110	0.02	110	1	63	1.01	0.00
$q	Qualifying information			9	0.00	11	1	84	1.10	0.00
$z	Canceled/invalid ISBN			3	0.00	3	1	100	1.13	0.02
024 — Other Standard Identifier				4	0.00	4	1	11	1.01	0.00
$ind1	Type of standard number or code			4	0.00	4	1	11	1.01	0.00
$ind2	Difference indicator			4	0.00	4	1	11	1.01	0.00
$#	number/occurrence of field (in KBR version)			4	0.00	4	1	4	1.01	0.00
$a	Standard number or code			4	0.00	4	1	11	1.00	0.00
$c	Terms of availability			1	0.00	1	1	11	1.00	0.00
028 — Publisher or Distributor Number				2	0.00	2	1	21	1.54	0.00
$ind1	Type of number			2	0.00	2	1	21	1.54	0.00
$ind2	Note/added entry controller			2	0.00	2	1	21	1.54	0.00
$#	number/occurrence of field (in KBR version)			2	0.00	2	1	21	1.72	0.00
$a	Publisher or distributor number			2	0.00	2	1	21	1.54	0.00
034 — Coded Cartographic Mathematical Data				1	0.00	1	1	3	1.00	0.00
$ind1	Type of scale			1	0.00	1	1	3	1.00	0.00
$ind2	Type of ring			1	0.00	1	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	2	1.00	0.00
$a	Category of scale			1	0.00	1	1	3	1.00	0.00
$b	Constant ratio linear horizontal scale			1	0.00	1	1	3	1.01	0.01
$d	Coordinates - westernmost longitude			1	0.00	1	1	3	1.03	0.01
$e	Coordinates - easternmost longitude			1	0.00	1	1	3	1.03	0.01
$f	Coordinates - northernmost latitude			1	0.00	1	1	3	1.03	0.01
$g	Coordinates - southernmost latitude			1	0.00	1	1	3	1.03	0.01
$1	Real World Object URI			1	0.00	1	1
$2	Source			1	0.00	1	1
035 — System Control Number				8	0.00	8	1	5	1.00	0.00
$a	System control number			8	0.00	8	1	5	1.00	0.00
040 — Cataloging Source				457,056	100.00	457,098	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			86,110	18.84	86,152	1	4	1.00	0.00
$a	Original cataloging agency			457,056	100.00	457,100	1	4	1.00	0.00
$b	Language of cataloging			52,302	11.44	52,303	1	4	1.00	0.00
$e	Description conventions			43,477	9.51	43,478	1	4	1.00	0.00
041 — Language Code				31,974	7.00	32,018	1	5	1.00	0.00
$ind1	Translation indication			31,974	7.00	32,018	1	5	1.00	0.00
$ind2	Source of code			31,974	7.00	32,018	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			7,492	1.64	7,535	1	5	1.00	0.00
$a	Language code of text/sound track or separate title			31,973	7.00	34,027	1	16	1.03	0.00
$h	Language code of original			5	0.00	5	1	12	1.00	0.00
044 — Country of Publishing/Producing Entity Code				59,215	12.96	59,256	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			11,742	2.57	11,783	1	4	1.00	0.00
$a	MARC country code			59,215	12.96	59,270	1	8	1.04	0.00
080 — Universal Decimal Classification Number				1	0.00	1	1	4	1.13	0.00
$ind1	Type of edition			1	0.00	1	1	4	1.13	0.00
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	4	1.20	0.00
$a	Universal Decimal Classification number			1	0.00	1	1	4	1.13	0.00
084 — Other Classification Number				87	0.02	94	1	6	1.54	0.00
$#	number/occurrence of field (in KBR version)			84	0.02	86	1	5	1.55	0.01
$a	Classification number			87	0.02	94	1	6	1.54	0.00
$b	Item number			1	0.00	1	1
1XX: Main Entry
100 — Main Entry - Personal Name				52,642	11.52	52,642	1	4	1.00	0.00
$ind1	Type of personal name entry element			52,642	11.52	52,642	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			30,023	6.57	30,023	1	4	1.00	0.00
$*	Link with identifier (in KBR version)			52,642	11.52	52,642	1	4	1.00	0.00
$@	Language of field (in KBR version)			16	0.00	16	1	2	1.00	0.00
$a	Personal name			52,642	11.52	52,642	1	4	1.00	0.00
$b	Numeration			3,178	0.70	3,178	1	2	1.00	0.00
$c	Titles and words associated with a name			21,398	4.68	21,798	1	9	1.03	0.00
$d	Dates associated with a name			48,052	10.51	48,052	1	4	1.00	0.00
$g	Miscellaneous information			177	0.04	177	1	2	1.00	0.00
$j	Attribution qualifier			8	0.00	8	1
$l	Language of a work			1	0.00	1	1
$q	Fuller form of name			880	0.19	880	1	3	1.00	0.00
$0	Authority record control number or standard number			3	0.00	3	1
$1	Real World Object URI			41,198	9.01	41,198	1	4	1.00	0.00
$4	Relationship			50,883	11.13	52,684	1	6	1.05	0.00
110 — Main Entry - Corporate Name				1,128	0.25	1,128	1	3	1.00	0.00
$ind1	Type of corporate name entry element			1,128	0.25	1,128	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			1,049	0.23	1,049	1	3	1.01	0.00
$*	Link with identifier (in KBR version)			1,128	0.25	1,128	1	3	1.00	0.00
$@	Language of field (in KBR version)			3	0.00	3	1	3	1.04	0.00
$a	Corporate name or jurisdiction name as entry element			1,128	0.25	1,128	1	3	1.00	0.00
$b	Subordinate unit			20	0.00	21	1	5	1.21	0.00
$c	Location of meeting			16	0.00	16	1	3	1.03	0.00
$d	Date of meeting or treaty signing			10	0.00	10	1
$g	Miscellaneous information			191	0.04	191	1	3	1.00	0.00
$4	Relationship			1,049	0.23	1,074	1	6	1.21	0.00
20X-24X: Title
240 — Uniform Title				11	0.00	11	1
$ind1	Uniform title printed or displayed			11	0.00	11	1
$ind2	Nonfiling characters			11	0.00	11	1
$#	number/occurrence of field (in KBR version)			3	0.00	3	1
$*	Link with identifier (in KBR version)			11	0.00	11	1
$a	Uniform title			11	0.00	11	1
$f	Date of a work			1	0.00	1	1
245 — Title Statement				457,057	100.00	477,670	1	4	1.01	0.00
$ind1	Title added entry			457,057	100.00	477,670	1	4	1.01	0.00
$ind2	Nonfiling characters			457,057	100.00	477,670	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			425,289	93.05	445,753	1	4	1.02	0.00
$@	Language of field (in KBR version)			20,335	4.45	22,791	1	3	1.12	0.00
$a	Title			457,056	100.00	477,669	1	9	1.01	0.00
$b	Remainder of title			10,309	2.26	10,310	1	10	1.00	0.00
$c	Statement of responsibility, etc.			59,706	13.06	61,603	1	4	1.00	0.00
$h	Medium			100,682	22.03	102,940	1	3	1.01	0.00
$n	Number of part/section of a work			1,027	0.22	1,048	1	25	1.11	0.00
$p	Name of part/section of a work			52	0.01	62	1	48	1.12	0.00
246 — Varying Form of Title				26,925	5.89	53,987	1	24	1.21	0.00
$ind1	Note/added entry controller			26,925	5.89	53,987	1	24	1.21	0.00
$ind2	Type of title			26,925	5.89	53,987	1	24	1.21	0.00
$#	number/occurrence of field (in KBR version)			26,207	5.73	52,925	1	24	1.33	0.00
$@	Language of field (in KBR version)			9,675	2.12	18,600	1	5	1.92	0.00
$a	Title proper/short title			26,821	5.87	53,750	1	24	1.21	0.00
$b	Remainder of title			3,030	0.66	5,642	1	6	1.10	0.00
$g	Miscellaneous information			3	0.00	3	1	8	1.06	0.00
$h	Medium			1	0.00	1	1	5	1.82	0.15
$i	Display text			2	0.00	2	1	10	1.03	0.00
$n	Number of part/section of a work			3	0.00	3	1	9	1.10	0.01
$p	Name of part/section of a work			1	0.00	1	1	9	1.15	0.01
25X-28X: Edition, Imprint
250 — Edition Statement				481	0.11	481	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			476	0.10	476	1	4	1.02	0.00
$a	Edition statement			477	0.10	477	1	4	1.01	0.00
$b	Remainder of edition statement			33	0.01	33	1	2	1.00	0.00
255 — Cartographic Mathematical Data				2	0.00	2	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			2	0.00	2	1	4	1.00	0.00
$a	Statement of scale			1	0.00	1	1	5	1.00	0.00
$f	Outer G-ring coordinate pairs			1	0.00	1	1
264 — Production, Publication, Distribution, Manufacture, and Copyright Notice				110,008	24.07	129,825	1	33	1.05	0.00
$ind1	Sequence of statements			110,008	24.07	129,825	1	33	1.05	0.00
$ind2	Function of entity			110,008	24.07	129,825	1	33	1.05	0.00
$#	number/occurrence of field (in KBR version)			86,616	18.95	106,134	1	30	1.05	0.00
$@	Language of field (in KBR version)			19,113	4.18	19,220	1	3	1.01	0.00
$a	Place of production, publication, distribution, manufacture			64,985	14.22	84,484	1	22	1.12	0.00
$b	Name of producer, publisher, distributor, manufacturer			36,314	7.95	44,368	1	28	1.07	0.00
$c	Date of production, publication, distribution, manufacture, or copyright notice			105,325	23.04	124,781	1	32	1.05	0.00
3XX: Physical Description
300 — Physical Description				132,672	29.03	158,532	1	10	1.03	0.00
$#	number/occurrence of field (in KBR version)			93,847	20.53	110,141	1	10	1.05	0.00
$@	Language of field (in KBR version)			21,251	4.65	41,497	1	3	1.96	0.00
$a	Extent			91,176	19.95	106,210	1	10	1.01	0.00
$b	Other physical details			91,452	20.01	91,961	1	10	1.01	0.00
$c	Dimensions			98,547	21.56	100,326	1	4	1.00	0.00
$e	Accompanying material			495	0.11	495	1	4	1.00	0.00
$f	Type of unit			35,175	7.70	64,556	1	4	1.89	0.00
306 — Playing Time				7	0.00	7	1
$#	number/occurrence of field (in KBR version)			7	0.00	7	1
$a	Playing time			7	0.00	7	1	6	1.02	0.01
310 — Current Publication Frequency				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Current publication frequency			2	0.00	2	1
336 — Content Type				80,842	17.69	81,164	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			45,514	9.96	45,614	1	3	1.01	0.00
$a	Content type term			80,838	17.69	82,003	1	6	1.23	0.00
$2	Source			73,678	16.12	73,975	1	3	1.00	0.00
337 — Media Type				80,811	17.68	80,823	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			45,261	9.90	45,273	1	2	1.00	0.00
$a	Media type term			80,806	17.68	80,818	1	2	1.00	0.00
$2	Source			73,642	16.11	73,642	1	2	1.00	0.00
338 — Carrier Type				80,424	17.60	80,724	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			45,096	9.87	45,174	1	2	1.00	0.00
$a	Carrier type term			80,418	17.59	80,719	1	2	1.00	0.00
$2	Source			73,634	16.11	73,921	1	2	1.00	0.00
340 — Physical Medium				256,669	56.16	257,360	1	8	1.00	0.00
$#	number/occurrence of field (in KBR version)			69,254	15.15	69,942	1	4	1.00	0.00
$@	Language of field (in KBR version)			826	0.18	829	1	2	1.00	0.00
$a	Material base and configuration			225,457	49.33	225,771	1	8	1.01	0.00
$b	Dimensions			36,793	8.05	37,183	1	3	1.01	0.00
$c	Materials applied to surface			35	0.01	35	1
$d	Information recording technique			383	0.08	383	1
$e	Support			13	0.00	13	1
$l	Binding			2	0.00	2	1	3	1.00	0.00
342 — Geospatial Reference Data				1	0.00	1	1
$ind1	Geospatial reference dimension			1	0.00	1	1
$ind2	Geospatial reference method			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Name			1	0.00	1	1
$b	Coordinate units or distance units			1	0.00	1	1
$c	Latitude resolution			1	0.00	1	1
$d	Longitude resolution			1	0.00	1	1
$q	Ellipsoid name			1	0.00	1	1
$r	Semi-major axis			1	0.00	1	1
$s	Denominator of flattening ratio			1	0.00	1	1
344 — Sound Characteristics				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Type of recording			1	0.00	1	1
$h	Special playback characteristics			1	0.00	1	1
346 — Video Characteristics				12	0.00	12	1
$#	number/occurrence of field (in KBR version)			12	0.00	12	1
$a	Video format			12	0.00	12	1
$b	Broadcast standard			6	0.00	6	1
347 — Digital File Characteristics				11	0.00	11	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			11	0.00	11	1	2	1.00	0.00
$a	File type			9	0.00	9	1
$b	Encoding format			11	0.00	11	1	2	1.00	0.00
362 — Dates of Publication and/or Sequential Designation				5	0.00	5	1	3	1.00	0.00
$ind1	Format of date			5	0.00	5	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			2	0.00	2	1	3	1.01	0.00
$a	Dates of publication and/or sequential designation			5	0.00	5	1	4	1.00	0.00
385 — Audience Characteristics				2	0.00	2	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			2	0.00	2	1	4	1.01	0.00
$a	Audience term			2	0.00	2	1	4	1.01	0.00
4XX: Series Statement
490 — Series Statement				6,650	1.45	6,650	1	5	1.01	0.00
$ind1	Series tracing policy			6,650	1.45	6,650	1	5	1.01	0.00
$#	number/occurrence of field (in KBR version)			3,508	0.77	3,508	1	3	1.02	0.00
$a	Series statement			6,542	1.43	6,545	1	5	1.02	0.00
$v	Volume/sequential designation			708	0.15	708	1	8	1.45	0.00
5XX: Note
500 — General Note				51,449	11.26	67,098	1	76	1.34	0.00
$#	number/occurrence of field (in KBR version)			38,214	8.36	47,217	1	76	1.24	0.00
$@	Language of field (in KBR version)			6,596	1.44	7,237	1	3	1.10	0.00
$a	General note			51,449	11.26	67,098	1	76	1.34	0.00
504 — Bibliography, etc. Note				3	0.00	3	1	7	1.03	0.00
$#	number/occurrence of field (in KBR version)			3	0.00	3	1	7	1.04	0.00
$a	Bibliography, etc. note			3	0.00	3	1	7	1.03	0.00
505 — Formatted Contents Note				97	0.02	155	1	214	3.19	0.02
$ind1	Display constant controller			97	0.02	155	1	214	3.19	0.02
$ind2	Level of content designation			97	0.02	155	1	214	3.19	0.02
$#	number/occurrence of field (in KBR version)			69	0.02	87	1	214	2.78	0.06
$a	Formatted contents note			53	0.01	57	1	35	1.90	0.02
$t	Title			49	0.01	336	1	214	4.73	0.03
510 — Citation/References Note				4,417	0.97	4,835	1	10	1.14	0.00
$ind1	Coverage/location in source			4,417	0.97	4,835	1	10	1.14	0.00
$#	number/occurrence of field (in KBR version)			3,004	0.66	3,253	1	10	1.26	0.00
$a	Name of source			4,417	0.97	4,835	1	10	1.14	0.00
511 — Participant or Performer Note				15	0.00	15	1	20	1.17	0.00
$ind1	Display constant controller			15	0.00	15	1	20	1.17	0.00
$#	number/occurrence of field (in KBR version)			7	0.00	7	1	8	1.17	0.00
$a	Participant or performer note			15	0.00	15	1	20	1.17	0.00
520 — Summary, etc.				6	0.00	6	1	7	1.02	0.00
$ind1	Display constant controller			6	0.00	6	1	7	1.02	0.00
$#	number/occurrence of field (in KBR version)			6	0.00	6	1	6	1.00	0.00
$a	Summary, etc.			6	0.00	6	1	7	1.02	0.00
534 — Original Version Note				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$b	Edition statement of original			1	0.00	1	1
$c	Publication, distribution, etc. of original			1	0.00	1	1
$e	Physical description, etc. of original			1	0.00	1	1
$f	Series statement of original			1	0.00	1	1
$k	Key title of original			1	0.00	1	1
540 — Terms Governing Use and Reproduction Note				11	0.00	11	1
$#	number/occurrence of field (in KBR version)			11	0.00	11	1
$a	Terms governing use and reproduction			11	0.00	11	1
541 — Immediate Source of Acquisition Note				403	0.09	403	1	3	1.01	0.00
$ind1	Privacy			403	0.09	403	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			402	0.09	402	1	3	1.02	0.00
$a	Source of acquisition			389	0.09	389	1	3	1.01	0.00
$b	Address			226	0.05	226	1
$c	Method of acquisition			104	0.02	104	1
$d	Date of acquisition			348	0.08	348	1	2	1.00	0.00
$e	Accession number			67	0.01	67	1	2	1.03	0.00
$f	Owner			47	0.01	47	1
$n	Extent			96	0.02	96	1
$o	Type of unit			30	0.01	30	1
545 — Biographical or Historical Data				10	0.00	10	1	2	1.10	0.02
$ind1	Type of data			10	0.00	10	1	2	1.10	0.02
$#	number/occurrence of field (in KBR version)			10	0.00	10	1	2	1.10	0.05
$a	Biographical or historical data			10	0.00	10	1	2	1.10	0.02
$b	Expansion			1	0.00	1	1
546 — Language Note				1	0.00	1	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	3	1.01	0.00
$a	Language note			1	0.00	1	1	2	1.01	0.00
561 — Ownership and Custodial History				21,566	4.72	25,261	1	5	1.15	0.00
$ind1	Privacy			21,566	4.72	25,261	1	5	1.15	0.00
$#	number/occurrence of field (in KBR version)			20,818	4.55	23,901	1	5	1.13	0.00
$@	Language of field (in KBR version)			3,221	0.70	3,226	1	3	1.00	0.00
$a	History			21,566	4.72	25,261	1	5	1.15	0.00
562 — Copy and Version Identification Note				47,228	10.33	48,814	1	12	1.14	0.00
$#	number/occurrence of field (in KBR version)			21,518	4.71	22,542	1	12	1.12	0.00
$a	Identifying markings			6,792	1.49	6,799	1	5	1.05	0.00
$b	Copy identification			35,802	7.83	37,386	1	12	1.15	0.00
$c	Version identification			9,949	2.18	9,966	1	2	1.00	0.00
$d	Presentation format			1	0.00	1	1
$e	Number of copies			6	0.00	6	1	2	1.00	0.00
563 — Binding Information				10,138	2.22	10,138	1	3	1.02	0.00
$#	number/occurrence of field (in KBR version)			663	0.15	663	1	3	1.06	0.00
$a	Binding note			10,138	2.22	10,138	1	3	1.02	0.00
565 — Case File Characteristics 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
$b	Name of variable			1	0.00	1	1
581 — Publications About Described Materials Note				21,402	4.68	21,773	1	4	1.02	0.00
$ind1	Display constant controller			21,402	4.68	21,773	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			21,143	4.63	21,513	1	4	1.02	0.00
$@	Language of field (in KBR version)			38	0.01	38	1	4	1.10	0.08
$a	Publications about described materials note			21,402	4.68	21,773	1	4	1.02	0.00
583 — Action Note				233	0.05	233	1	3	1.02	0.00
$ind1	Privacy			233	0.05	233	1	3	1.02	0.00
$#	number/occurrence of field (in KBR version)			226	0.05	226	1	3	1.02	0.00
$a	Action			233	0.05	233	1
585 — Exhibitions Note				2,151	0.47	2,822	1	15	1.31	0.01
$#	number/occurrence of field (in KBR version)			2,151	0.47	2,822	1	15	1.31	0.01
$a	Exhibitions note			2,151	0.47	2,822	1	15	1.31	0.01
$3	Materials specified			1	0.00	1	1
586 — Awards Note				1	0.00	2	1	6	1.12	0.03
$ind1	Display constant controller			1	0.00	2	1	6	1.12	0.03
$#	number/occurrence of field (in KBR version)			1	0.00	2	1	6	1.12	0.03
$a	Awards note			1	0.00	2	1	6	1.12	0.03
6XX: Subject Access
600 — Subject Added Entry - Personal Name				1,770	0.39	2,342	1	125	1.71	0.03
$ind1	Type of personal name entry element			1,770	0.39	2,342	1	125	1.71	0.03
$ind2	Thesaurus			1,770	0.39	2,342	1	125	1.71	0.03
$#	number/occurrence of field (in KBR version)			1,623	0.36	2,071	1	114	1.47	0.03
$*	Link with identifier (in KBR version)			1,770	0.39	2,342	1	125	1.71	0.03
$@	Language of field (in KBR version)			43	0.01	48	1	5	1.11	0.03
$a	Personal name			1,770	0.39	2,342	1	125	1.71	0.03
$b	Numeration			23	0.01	24	1	4	1.07	0.01
$c	Titles and other words associated with a name			599	0.13	978	1	117	1.63	0.04
$d	Dates associated with a name			1,692	0.37	2,078	1	57	1.42	0.01
$g	Miscellaneous information			4	0.00	5	1	35	1.55	0.26
$q	Fuller form of name			21	0.00	24	1	4	1.10	0.01
$x	General subdivision			6	0.00	9	1	8	1.56	0.08
$1	Real World Object URI			1,569	0.34	1,921	1	66	1.38	0.01
610 — Subject Added Entry - Corporate Name				75	0.02	77	1	5	1.12	0.01
$ind1	Type of corporate name entry element			75	0.02	77	1	5	1.12	0.01
$ind2	Thesaurus			75	0.02	77	1	5	1.12	0.01
$#	number/occurrence of field (in KBR version)			66	0.01	68	1	4	1.08	0.01
$*	Link with identifier (in KBR version)			75	0.02	77	1	5	1.12	0.01
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Corporate name or jurisdiction name as entry element			75	0.02	77	1	5	1.12	0.01
$d	Date of meeting or treaty signing			2	0.00	2	1	2	1.17	0.14
$g	Miscellaneous information			24	0.01	25	1	5	1.11	0.03
$0	Authority record control number or standard number			27	0.01	27	1
648 — Subject Added Entry - Chronological Term				48,517	10.62	63,695	1	6	1.32	0.00
$ind2	Thesaurus			48,517	10.62	63,695	1	6	1.32	0.00
$#	number/occurrence of field (in KBR version)			26,767	5.86	33,881	1	6	1.27	0.00
$*	Link with identifier (in KBR version)			48,517	10.62	63,695	1	6	1.32	0.00
$a	Chronological term			48,517	10.62	63,695	1	6	1.32	0.00
650 — Subject Added Entry - Topical Term				33,554	7.34	45,742	1	81	2.64	0.00
$ind1	Level of subject			33,554	7.34	45,742	1	81	2.64	0.00
$ind2	Thesaurus			33,554	7.34	45,742	1	81	2.64	0.00
$#	number/occurrence of field (in KBR version)			18,000	3.94	25,487	1	81	1.70	0.00
$*	Link with identifier (in KBR version)			33,554	7.34	45,742	1	81	2.65	0.00
$@	Language of field (in KBR version)			9,609	2.10	13,681	1	51	1.50	0.00
$a	Topical term or geographic name entry element			33,554	7.34	45,742	1	81	2.65	0.00
$b	Topical term following geographic name entry element			17	0.00	18	1	4	1.01	0.00
$c	Location of event			29	0.01	30	1	2	1.03	0.03
$e	Relator term			1	0.00	1	1
$g	Miscellaneous information			10,413	2.28	11,578	1	81	2.22	0.00
$v	Form subdivision			19	0.00	19	1	12	1.02	0.00
$x	General subdivision			516	0.11	673	1	16	1.47	0.01
$y	Chronological subdivision			12	0.00	15	1	8	1.10	0.01
$z	Geographic subdivision			15	0.00	22	1	10	1.78	0.01
$0	Authority record control number or standard number			6,876	1.50	7,443	1	27	2.12	0.00
$1	Real World Object URI			1	0.00	1	1
$2	Source of heading or term			8,844	1.93	10,030	1	81	3.09	0.00
651 — Subject Added Entry - Geographic Name				53,514	11.71	56,488	1	16	1.10	0.00
$ind2	Thesaurus			53,514	11.71	56,488	1	16	1.10	0.00
$#	number/occurrence of field (in KBR version)			36,658	8.02	38,943	1	16	1.09	0.00
$*	Link with identifier (in KBR version)			53,514	11.71	56,488	1	16	1.10	0.00
$@	Language of field (in KBR version)			2,720	0.60	2,917	1	6	1.09	0.00
$a	Geographic name			53,514	11.71	56,488	1	16	1.10	0.00
$v	Form subdivision			17	0.00	17	1	12	2.46	0.00
$x	General subdivision			23	0.01	48	1	16	2.38	0.01
$z	Geographic subdivision			1	0.00	3	1	6	1.34	0.17
$0	Authority record control number or standard number			37,174	8.13	37,669	1	4	1.02	0.00
653 — Index Term - Uncontrolled				184,112	40.28	185,578	1	255	8.47	0.00
$ind1	Level of index term			184,112	40.28	185,578	1	255	8.47	0.00
$ind2	Type of term or name			184,112	40.28	185,578	1	255	8.47	0.00
$#	number/occurrence of field (in KBR version)			175,713	38.44	176,517	1	61	1.04	0.00
$a	Uncontrolled term			184,112	40.28	185,578	1	255	8.47	0.00
654 — Subject Added Entry - Faceted Topical Terms				7,221	1.58	13,163	1	34	1.91	0.00
$ind1	Level of subject			7,221	1.58	13,163	1	34	1.91	0.00
$#	number/occurrence of field (in KBR version)			51	0.01	59	1	13	1.42	0.00
$*	Link with identifier (in KBR version)			7,221	1.58	13,427	1	66	2.15	0.00
$@	Language of field (in KBR version)			42	0.01	49	1	13	1.41	0.00
$a	Focus term			7,221	1.58	13,427	1	66	2.15	0.00
$b	Non-focus term			7,102	1.55	13,566	1	62	2.86	0.00
$y	Chronological subdivision			12	0.00	12	1	10	1.18	0.00
$z	Geographic subdivision			23	0.01	23	1	9	1.61	0.02
$2	Source of heading or term			7,196	1.57	13,138	1	34	1.91	0.00
655 — Index Term - Genre/Form				85,713	18.75	125,864	1	12	1.30	0.00
$ind1	Type of heading			85,713	18.75	125,864	1	12	1.30	0.00
$ind2	Thesaurus			85,713	18.75	125,864	1	12	1.30	0.00
$#	number/occurrence of field (in KBR version)			60,371	13.21	86,056	1	5	1.25	0.00
$*	Link with identifier (in KBR version)			85,713	18.75	126,077	1	12	1.30	0.00
$@	Language of field (in KBR version)			9,352	2.05	16,931	1	5	1.59	0.00
$a	Genre/form data or focus term			85,713	18.75	126,077	1	12	1.30	0.00
$0	Authority record control number			82,046	17.95	112,069	1	9	1.24	0.00
$1	Real World Object URI			53	0.01	53	1
$2	Source of term			1	0.00	1	1	12	1.01	0.00
662 — Subject 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
$d	City			1	0.00	1	1
70X-75X: Added Entry
700 — Added Entry - Personal Name				84,293	18.44	125,509	1	128	2.26	0.00
$ind1	Type of personal name entry element			84,293	18.44	125,509	1	128	2.26	0.00
$ind2	Type of added entry			84,293	18.44	125,509	1	128	2.26	0.00
$#	number/occurrence of field (in KBR version)			61,372	13.43	82,438	1	128	1.79	0.00
$*	Link with identifier (in KBR version)			84,293	18.44	125,509	1	128	2.26	0.00
$@	Language of field (in KBR version)			8,237	1.80	10,889	1	4	1.30	0.00
$a	Personal name			84,293	18.44	125,509	1	128	2.26	0.00
$b	Numeration			4,089	0.89	4,588	1	26	1.10	0.00
$c	Titles and other words associated with a name			58,986	12.91	67,926	1	90	1.58	0.00
$d	Dates associated with a name			83,266	18.22	119,417	1	125	1.76	0.00
$f	Date of a work			3	0.00	3	1	12	2.88	1.18
$g	Miscellaneous information			824	0.18	826	1	14	1.16	0.00
$j	Attribution qualifier			9	0.00	9	1	4	1.09	0.01
$q	Fuller form of name			9,931	2.17	10,702	1	8	1.07	0.00
$0	Authority record control number or standard number			10	0.00	10	1	2	1.01	0.01
$1	Real World Object URI			71,072	15.55	95,540	1	120	1.92	0.00
$4	Relationship			65,515	14.33	107,490	1	128	2.34	0.00
710 — Added Entry - Corporate Name				21,662	4.74	22,383	1	28	1.14	0.00
$ind1	Type of corporate name entry element			21,662	4.74	22,383	1	28	1.14	0.00
$ind2	Type of added entry			21,662	4.74	22,383	1	28	1.14	0.00
$#	number/occurrence of field (in KBR version)			16,470	3.60	16,797	1	28	1.16	0.00
$*	Link with identifier (in KBR version)			21,662	4.74	22,383	1	28	1.14	0.00
$@	Language of field (in KBR version)			5,381	1.18	5,475	1	18	1.11	0.00
$a	Corporate name or jurisdiction name as entry element			21,662	4.74	22,382	1	28	1.14	0.00
$b	Subordinate unit			282	0.06	285	1	10	1.19	0.00
$c	Location of meeting			374	0.08	379	1	8	1.09	0.00
$d	Date of meeting or treaty signing			631	0.14	641	1	14	1.06	0.00
$e	Relator term			1	0.00	1	1	5	1.55	0.17
$g	Miscellaneous information			2,071	0.45	2,165	1	27	1.11	0.00
$1	Real World Object URI			148	0.03	148	1	4	1.01	0.00
$4	Relationship			21,567	4.72	22,310	1	28	1.14	0.00
730 — Added Entry - Uniform Title				45	0.01	45	1	11	1.32	0.01
$ind1	Nonfiling characters			45	0.01	45	1	11	1.32	0.01
$ind2	Type of added entry			45	0.01	45	1	11	1.32	0.01
$#	number/occurrence of field (in KBR version)			24	0.01	24	1	11	1.45	0.01
$*	Link with identifier (in KBR version)			45	0.01	45	1	11	1.32	0.01
$a	Uniform title			45	0.01	45	1	11	1.32	0.01
$l	Language of a work			1	0.00	1	1	11	1.90	0.03
751 — Added Entry - Geographic Name				2	0.00	2	1	3	1.11	0.00
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	3	1.11	0.00
$*	Link with identifier (in KBR version)			2	0.00	2	1	3	1.11	0.00
$a	Geographic name			2	0.00	2	1	3	1.11	0.00
$4	Relationship			2	0.00	2	1	3	1.11	0.00
76X-78X: Linking Entry
772 — Supplement Parent Entry				72	0.02	72	1	9	1.03	0.01
$ind1	Note controller			72	0.02	72	1	9	1.03	0.01
$ind2	Display constant controller			72	0.02	72	1	9	1.03	0.01
$#	number/occurrence of field (in KBR version)			58	0.01	58	1	2	1.01	0.00
$*	Link with identifier (in KBR version)			72	0.02	72	1	9	1.03	0.01
$a	Main entry heading			66	0.01	66	1
$g	Related parts			28	0.01	28	1	2	1.70	0.00
$t	Title			72	0.02	72	1	9	1.03	0.01
773 — Host Item Entry				14,654	3.21	14,703	1	6	1.05	0.00
$ind1	Note controller			14,654	3.21	14,703	1	6	1.05	0.00
$ind2	Display constant controller			14,654	3.21	14,703	1	6	1.05	0.00
$#	number/occurrence of field (in KBR version)			13,302	2.91	13,350	1	6	1.05	0.00
$*	Link with identifier (in KBR version)			14,654	3.21	14,706	1	6	1.05	0.00
$a	Main entry heading			10,833	2.37	10,852	1	5	1.01	0.00
$b	Edition			137	0.03	137	1	3	1.03	0.00
$g	Related parts			9,708	2.12	9,754	1	6	1.04	0.00
$h	Physical description			3,926	0.86	3,926	1	2	1.00	0.00
$n	Note			1,236	0.27	1,236	1	4	1.01	0.00
$t	Title			14,654	3.21	14,706	1	6	1.05	0.00
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			6	0.00	6	1	6	1.01	0.00
775 — Other Edition Entry				268	0.06	332	1	25	1.95	0.00
$ind1	Note controller			268	0.06	332	1	25	1.95	0.00
$ind2	Display constant controller			268	0.06	332	1	25	1.95	0.00
$#	number/occurrence of field (in KBR version)			263	0.06	322	1	25	2.22	0.00
$*	Link with identifier (in KBR version)			268	0.06	332	1	25	1.95	0.00
$a	Main entry heading			251	0.05	312	1	22	2.07	0.00
$g	Related parts			49	0.01	52	1	7	1.04	0.01
$i	Relationship information			21	0.00	27	1	23	1.92	0.00
$t	Title			268	0.06	332	1	25	1.95	0.00
$z	International Standard Book Number			1	0.00	1	1	25	2.17	0.00
776 — Additional Physical Form Entry				569	0.12	706	1	8	1.04	0.00
$ind1	Note controller			569	0.12	706	1	8	1.04	0.00
$ind2	Display constant controller			569	0.12	706	1	8	1.04	0.00
$#	number/occurrence of field (in KBR version)			536	0.12	673	1	8	1.04	0.00
$*	Link with identifier (in KBR version)			569	0.12	706	1	8	1.04	0.00
$a	Main entry heading			457	0.10	594	1	8	1.04	0.00
$g	Related parts			7	0.00	9	1	3	1.02	0.01
$i	Relationship information			135	0.03	146	1	8	1.07	0.00
$t	Title			569	0.12	706	1	8	1.04	0.00
$z	International Standard Book Number			31	0.01	31	1	8	1.04	0.00
777 — Issued With Entry				296	0.06	355	1	10	1.50	0.01
$ind1	Note controller			296	0.06	355	1	10	1.50	0.01
$ind2	Display constant controller			296	0.06	355	1	10	1.50	0.01
$#	number/occurrence of field (in KBR version)			296	0.06	355	1	10	1.55	0.02
$*	Link with identifier (in KBR version)			296	0.06	355	1	10	1.50	0.01
$a	Main entry heading			60	0.01	119	1	10	1.91	0.03
$g	Related parts			214	0.05	267	1	5	1.21	0.02
$t	Title			296	0.06	355	1	10	1.50	0.01
780 — Preceding Entry				12	0.00	13	1	9	1.06	0.00
$ind1	Note controller			12	0.00	13	1	9	1.06	0.00
$ind2	Type of relationship			12	0.00	13	1	9	1.06	0.00
$#	number/occurrence of field (in KBR version)			9	0.00	10	1	7	1.07	0.00
$*	Link with identifier (in KBR version)			12	0.00	13	1	9	1.06	0.00
$a	Main entry heading			11	0.00	12	1	2	1.04	0.00
$g	Related parts			1	0.00	1	1	2	1.06	0.01
$t	Title			12	0.00	13	1	9	1.06	0.00
785 — Succeeding Entry				10	0.00	10	1	15	1.06	0.00
$ind1	Note controller			10	0.00	10	1	15	1.06	0.00
$ind2	Type of relationship			10	0.00	10	1	15	1.06	0.00
$#	number/occurrence of field (in KBR version)			5	0.00	5	1	3	1.05	0.00
$*	Link with identifier (in KBR version)			10	0.00	10	1	15	1.06	0.00
$a	Main entry heading			8	0.00	8	1	2	1.03	0.01
$g	Related parts			4	0.00	5	1	2	1.06	0.01
$t	Title			10	0.00	10	1	15	1.06	0.00
$z	International Standard Book Number			2	0.00	2	1	2	1.06	0.01
786 — Data Source Entry				16,121	3.53	22,905	1	7	1.43	0.00
$ind1	Note controller			16,121	3.53	22,905	1	7	1.43	0.00
$ind2	Display constant controller			16,121	3.53	22,905	1	7	1.43	0.00
$#	number/occurrence of field (in KBR version)			16,064	3.51	22,848	1	7	1.43	0.00
$*	Link with identifier (in KBR version)			16,121	3.53	22,905	1	7	1.43	0.00
$a	Main entry heading			7,425	1.62	9,469	1	4	1.26	0.00
$g	Related parts			15,401	3.37	23,150	1	7	1.51	0.00
$i	Relationship information			1	0.00	1	1
$t	Title			16,121	3.53	22,905	1	7	1.43	0.00
$z	International Standard Book Number			8,796	1.92	10,638	1	4	1.23	0.00
787 — Other Relationship Entry				9,565	2.09	10,041	1	15	1.08	0.00
$ind1	Note controller			9,565	2.09	10,041	1	15	1.08	0.00
$ind2	Display constant controller			9,565	2.09	10,041	1	15	1.08	0.00
$#	number/occurrence of field (in KBR version)			4,795	1.05	5,029	1	15	1.09	0.00
$*	Link with identifier (in KBR version)			9,565	2.09	10,041	1	15	1.08	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Main entry heading			883	0.19	1,175	1	11	1.32	0.01
$g	Related parts			8,713	1.91	8,976	1	15	1.03	0.00
$i	Relationship information			8,157	1.78	8,425	1	4	1.04	0.00
$t	Title			9,565	2.09	10,041	1	15	1.08	0.00
$z	International Standard Book Number			1,312	0.29	1,455	1	12	1.18	0.01
80X-83X: Series Added Entry
800 — Series Added Entry - Personal Name				4	0.00	4	1
$ind1	Type of personal name entry element			4	0.00	4	1
$#	number/occurrence of field (in KBR version)			4	0.00	4	1
$*	Link with identifier (in KBR version)			4	0.00	4	1
$a	Personal name			4	0.00	4	1
$c	Titles and other words associated with a name			3	0.00	3	1	2	1.04	0.01
$d	Dates associated with a name			3	0.00	3	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
$c	Location of meeting			2	0.00	2	1
$d	Date of meeting or treaty signing			2	0.00	2	1
$4	Relationship			2	0.00	2	1
841-88X: Holdings, Location, Alternate Graphics
852 — Location				333,941	73.06	333,942	1	54	1.01	0.00
$ind1	Shelving scheme			333,941	73.06	333,942	1	54	1.01	0.00
$ind2	Shelving order			333,941	73.06	333,942	1	54	1.01	0.00
$#	number/occurrence of field (in KBR version)			332,541	72.76	332,542	1	4	1.00	0.00
$a	Location			5	0.00	5	1	54	1.02	0.00
$c	Shelving location			333,936	73.06	333,937	1	54	1.01	0.00
856 — Electronic Location and Access				76,813	16.81	82,073	1	51	1.08	0.00
$ind1	Access method			76,813	16.81	82,073	1	51	1.08	0.00
$ind2	Relationship			76,813	16.81	82,073	1	51	1.08	0.00
$#	number/occurrence of field (in KBR version)			25,205	5.51	26,290	1	45	1.07	0.00
$a	Host name			6	0.00	6	1	2	1.08	0.08
$u	Uniform Resource Identifier			76,780	16.80	81,859	1	51	1.08	0.00
$x	Nonpublic note			2	0.00	2	1	5	1.00	0.00
$y	Link text			96	0.02	154	1	51	2.07	0.03
$z	Public note			580	0.13	685	1	10	1.01	0.00
$6	Linkage			1	0.00	1	1
$7	Access status			76,475	16.73	81,638	1	51	1.10	0.00
Holdings: MARC Holdings tags
866 — Textual Holdings-Basic Bibliographic Unit				9	0.00	9	1	7	1.47	0.00
$ind1	Field encoding level			9	0.00	9	1	7	1.47	0.00
$ind2	Type of notation			9	0.00	9	1	7	1.47	0.00
$#	number/occurrence of field (in KBR version)			9	0.00	9	1	7	1.32	0.00
$a	Textual holdings			2	0.00	2	1	7	1.47	0.00
$z	Public note			7	0.00	7	1	4	1.01	0.01
OCLCMARC tags
911 — Manifestation identifier				329	0.07	329	1	4	1.00	0.00
$ind1				124	0.03	124	1	2	1.00	0.00
$#				169	0.04	169	1	4	1.00	0.00
$a				329	0.07	339	1	8	1.04	0.00
Locally defined tags of the Royal Library of Belgium
997 — Item information				456,609	99.90	458,115	1	254	1.13	0.00
$#	number/occurrence of field			18,588	4.07	18,666	1	16	1.29	0.00
$*	Link with identifier			456,609	99.90	458,115	1	254	1.13	0.00
$a	Barcode number			456,609	99.90	458,115	1	254	1.13	0.00
$c	Library (holding institution)			456,609	99.90	458,115	1	254	1.13	0.00
$d	Section (department of holding institution)			456,609	99.90	458,115	1	254	1.13	0.00
$g	Call Number			455,386	99.63	456,875	1	254	1.14	0.00
$h	Rating2			11	0.00	11	1	2	1.02	0.00
$t	Document type			456,609	99.90	458,115	1	254	1.13	0.00
$v	inventory number			14,123	3.09	14,140	1	19	1.09	0.00
unknown origin
853				6	0.00	6	1	4	1.03	0.00
$a				1	0.00	1	1	4	1.03	0.00
$c				5	0.00	5	1	4	1.03	0.00
863				1	0.00	1	1
$c				1	0.00	1	1
867				1	0.00	1	1	3	1.13	0.04
$#				1	0.00	1	1	3	1.13	0.04
$a				1	0.00	1	1	3	1.13	0.04