
MARC Usage in WorldCat
A summary of the use of MARC fields and subfields in the WorldCat database.
Select MARC Field
- 001: Control No.
- 003: Control No. Identifier
- 006: Additional Material Characteristics
- 007: Physical Characteristics
- 008: Material Characteristics
- 009: Physical Description Fixed-Field for Archival Collection (VM) [OBSOLETE, 1985]
- 010: LC Control No.
- 012: Terminal Display
- 013: Patent Control Information
- 015: National Bibliography No.
- 016: National Bibliography Agency Control No.
- 017: Copyright/Legal Deposit No.
- 018: Copyright Article-Fee Code
- 019: OCLC Control No. Cross-Reference
- 020: ISBN
- 022: ISSN
- 024: Other Standard Identifier
- 025: Overseas Acquisition No.
- 026: Fingerprint Identifier
- 027: STRN
- 028: Publisher or Distributor No.
- 029: Other System Control No.
- 030: CODEN Designation
- 031: Musical Incipits Information
- 032: Postal Registration No.
- 033: Date/Time/Place of an Event
- 034: Coded Cartographic Mathematical Data
- 035: System Control No.
- 036: Original Study No.
- 037: Source of Acquisition
- 040: Cataloging Source
- 041: Language Code
- 042: Authentication Code
- 043: Geographic Area Code
- 044: Country Code
- 045: Time Period
- 046: Special Coded Dates
- 047: Musical Composition Code
- 048: Number of Instruments/Voices Code
- 050: LC Call No.
- 051: LC Copy, Issue, Offprint Statement
- 052: Geographic Classification
- 055: Classification No.-Canada
- 060: NLM Call Number
- 061: NLM Copy Statement
- 066: Character Sets
- 070: NAL Call No.
- 071: NAL Copy Statemet
- 072: Subject Category Code
- 074: GPI Item No.
- 080: UDC No.
- 082: DDC No.
- 083: Additional DDC No
- 084: Other Classification No.
- 085: Synthesized Classication Number Components
- 086: GovDoc Classification No.
- 087: Report Number [OBSOLETE, 1997]
- 088: Report No.
- 090: Local LC-type Call No.
- 092: Local Dewey Call No.
- 096: Local NLM-type Call No.
- 100: Personal Name
- 110: Corporate Name
- 111: Meeting Name
- 130: Uniform Title
- 210: Abbreviated Title
- 211: Acronym or Shortened Title [OBSOLETE, 1993]
- 212: Variant Access Title [OBSOLETE, 1993]
- 214: Augmented Title [OBSOLETE, 1993]
- 222: Key Title
- 240: Uniform Title
- 242: Translation of Title by Cataloging Agency
- 243: Collective Uniform Title
- 245: Title Statement
- 246: Varying Form of Title
- 247: Former Title
- 250: Edition Statement
- 254: Musical Presentation Statement
- 255: Cartographic Mathematical Data
- 256: Computer File Characteristics
- 257: Country of Producing Entity
- 258: Philatelic Issue Data
- 260: Publication Distribution, Etc.
- 263: Projected Publication Data
- 264: Production, Publication, Distribution, Manufacture, and Copyright Notice
- 270: Address
- 300: Physical Description
- 303: Unit Count [OBSOLETE, 1983]
- 304: Linear Footage [OBSOLETE, 1983]
- 305: Physical Description for Sound Recordings [OBSOLETE, 1993]
- 306: Playing Time
- 307: Hours, Etc.
- 308: Physical Description for Films [OBSOLETE, 1990]
- 310: Current Publication Frequency
- 315: Frequency [OBSOLETE, 1993]
- 321: Former Publication Frequency
- 336: Content Type [NEW, 2009]
- 337: Media Type [NEW, 2009]
- 338: Carrier Type [NEW, 2009]
- 340: Physical Medium
- 342: Geospatial Reference Data
- 343: Planar Coordinate Data
- 344: Sound Characteristics [NEW, 2011]
- 345: Projection Characteristics of Moving Image [NEW, 2011]
- 346: Video Characteristics [NEW, 2011]
- 347: Digital File Characteristics [NEW, 2011]
- 351: Organization and Arrangement of Materials
- 352: Digital Graphic Representation
- 355: Security Classification Control
- 362: Dates of Publication and/or Sequential Designation
- 363: Normalized Data and Sequential Designation [NEW, 2007]
- 365: Trade Price [NEW, 2003]
- 366: Trade Availability Information [NEW, 2003]
- 370: Associated Place [NEW, 2014]
- 377: Associated Language [NEW, 2011]
- 380: Form of Work [NEW, 2010]
- 381: Other Distinguishing Characteristics of Work or Expression [NEW, 2010]
- 382: Medium of Peformance [NEW, 2010]
- 383: Numeric Designation of Musical Work [NEW, 2010]
- 384: Key [NEW, 2010]
- 385: Audience Characteristics [NEW, 2013]
- 386: Creator/Contributor Characteristics [NEW, 2013]
- 388: Time Period of Creation [New, 2014]
- 400: Series Statement/Added Entry - Personal Name [US ONLY, 1999]
- 410: Series Statement/Added Entry - Corporate Name [US ONLY, 1999]
- 440: Series Statement/Added Entry-Title [OBSOLETE, 2008]
- 490: Series Data
- 500: General Note
- 501: "With"
- 502: Dissertation
- 504: Bibliography, Etc.
- 505: Formatted Contents
- 506: Restrictions on Access
- 507: Note for Graphic Material
- 508: Creation/Production Credits
- 510: Citation/References
- 511: Participant/Performer
- 513: Type of Report/Period Covered
- 514: Data Quality
- 515: Numbering Peculiarities
- 516: Type of Computer File/Data
- 518: Date/Time and Place of Event
- 520: Summary, Etc.
- 521: Target Audience
- 522: Geographic Coverage
- 523: Time Period of Content Note [OBSOLETE, 1993]
- 524: Preferred Citation
- 525: Supplement
- 526: Study Program Information
- 530: Additional Physical Form Available
- 531: Eligibility, Fees, Procedures Note
- 533: Reproduction
- 534: Original Version
- 535: Location
- 536: Funding Information
- 537: Source of Data Note [OBSOLETE, 1993]
- 538: System Details
- 539: Data Elements of Reproduction
- 540: Terms Governing Use/Reproduction
- 541: Immediate Source of Acquisition
- 542: Information Relating to Copyright Status [NEW, 2008]
- 544: Location of Other Archival Materials
- 545: Biographical/Historical
- 546: Language
- 547: Former Title Complexity
- 550: Issuing Body
- 552: Entity/Attribution Information
- 555: Cumulative Index/Finding Aids
- 556: Information About Documentation
- 561: Ownership/Custodial History
- 562: Copy/Version Identification
- 563: Binding Information [NEW, 2002]
- 565: Case File Characteristics
- 567: Methodology
- 580: Linking Entry Complexity
- 581: Publications About Described Materials
- 582: Related Computer Files Note [OBSOLETE, 1993]
- 583: Action
- 584: Accumulation and Frequency of Use
- 585: Exhibitions
- 586: Awards
- 588: Source of Description [NEW, 2009]
- 590: Local Note
- 598: Local Note
- 600: Personal Name
- 610: Corporate Name
- 611: Meeting Name
- 630: Uniform Title
- 647: Subject Added Entry -- Named Event
- 648: Subject Added Entry -- Chronological Term [NEW, 2002]
- 650: Topical Term
- 651: Geographic Name
- 653: Index Term -- Uncontrolled
- 654: Faceted Topical Terms
- 655: Index Term -- Genre Form
- 656: Index Term -- Occupation
- 657: Index Term -- Function
- 658: Index Term -- Curriculum Objective
- 662: Subject Added Entry -- Hierarchical Place Name [NEW, 2005]
- 680: PRECIS Descriptor String [OBSOLETE, 1991]
- 695: Added Class Number
- 699: Lcoal Subject Added Entry -- Uniform Title
- 700: Personal Name
- 710: Corporate Name
- 711: Meeting Name
- 720: Uncontrolled Name
- 730: Uniform Title
- 740: Uncontrolled Related/Analytical Title
- 751: Added Entry -- Geographic Name [NEW, 2007]
- 752: Hierarchical Place Name
- 753: System Details
- 754: Taxonomic Identification
- 760: Main Series
- 762: Subseries
- 765: Original Language
- 767: Translation Entry [NEW, 2009]
- 770: Supplement/Special Issue
- 772: Supplement Parent
- 773: Host Item
- 774: Constituent Unit
- 775: Other Edition
- 776: Additional Physical Form
- 777: Issued With
- 780: Preceding
- 785: Succeeding
- 786: Data Source
- 787: Other Relationship Entry
- 800: Personal Name
- 810: Corporate Name
- 811: Meeting Name
- 830: Uniform Title
- 850: Holding Institution
- 851: Physical Location [OBSOLETE, 1993]
- 856: Electronic Location/Access
- 880: Alternate Graphic Representation
- 883: Machine-generated Metadata Provenance [NEW, 2012]
- 884: Description Conversion Information [NEW, 2015]
- 885: Matching Information
- 886: Foreign MARC Information
- 887: Non-MARC Information
- 891: Publication Pattern
- 902: Local Data Element
- 917: Local Field
- 936: OCLC/CONSER Miscellaneous Data
- 938: Vendor Specific Ordering Data
- 949: Local Processing Information
- 987: Local Romanization/Conversion History
776: Additional Physical Form
You may request a report on a particular subfield.
- TOTAL Number of Records with this field:
- 27,688,658 out of a total of 411,948,429 MARC records as of 1 Jan 2018
- Overall number of Holdings:
- 1,010,929,991
Subfield | Number of Occurrences | Holdings |
---|---|---|
1 | 1,460 | 1,642 |
3 | 5 | 19 |
2 | 220 | 22,026 |
5 | 8 | 104 |
4 | 231 | 29,492 |
7 | 1,157 | 40,484 |
6 | 67,845 | 412,591 |
9 | 2 | 86 |
8 | 2 | 4 |
a | 17,978,633 | 792,570,486 |
c | 2,325,825 | 27,053,648 |
b | 3,297,962 | 147,003,182 |
e | 109 | 135 |
d | 20,680,805 | 915,689,232 |
g | 16,384 | 77,255 |
f | 26 | 43 |
i | 23,495,631 | 1,022,542,464 |
h | 684,401 | 18,743,541 |
k | 306,478 | 6,597,147 |
m | 381 | 3,697 |
l | 3 | 4 |
o | 493,160 | 6,733,595 |
n | 635,849 | 5,256,539 |
q | 125 | 2,465 |
p | 113 | 3,976 |
s | 858,566 | 43,145,509 |
r | 206 | 3,248 |
u | 338 | 15,982 |
t | 24,630,802 | 1,022,180,838 |
w | 29,581,986 | 1,222,945,739 |
v | 10 | 22 |
y | 432 | 1,386 |
x | 484,065 | 26,230,332 |
z | 4,427,877 | 361,269,603 |
Download this Data
Download is a text file of comma-separated values (CSV) made available under the ODC-By 1.0 license.
- TOTAL Number of Records with this field:
- 25,361,719 out of a total of 386,221,072 MARC records as of 1 Jan 2017
- Overall number of Holdings:
- 936,037,379
Subfield | Number of Occurrences | Holdings |
---|---|---|
1 | 1,758 | 2,183 |
3 | 5 | 19 |
2 | 226 | 22,525 |
5 | 9 | 96 |
4 | 209 | 31,074 |
7 | 1,145 | 38,247 |
6 | 64,541 | 397,544 |
9 | 2 | 78 |
a | 16,913,777 | 740,786,076 |
c | 1,761,560 | 25,071,948 |
b | 3,175,164 | 140,435,797 |
e | 110 | 136 |
d | 19,520,581 | 861,628,185 |
g | 15,193 | 73,652 |
f | 27 | 40 |
i | 21,920,271 | 951,793,779 |
h | 493,967 | 16,532,465 |
k | 289,983 | 5,728,230 |
m | 328 | 2,874 |
l | 3 | 4 |
o | 440,494 | 5,735,265 |
n | 440,166 | 3,414,197 |
q | 126 | 421 |
p | 112 | 4,000 |
s | 819,538 | 40,218,602 |
r | 109 | 1,971 |
u | 314 | 12,684 |
t | 23,121,869 | 956,125,963 |
w | 27,667,302 | 1,149,312,556 |
v | 5 | 13 |
y | 362 | 1,228 |
x | 434,610 | 24,582,041 |
z | 3,656,107 | 318,170,221 |
Download this Data
Download is a text file of comma-separated values (CSV) made available under the ODC-By 1.0 license.
- TOTAL Number of Records with this field:
- 22,612,104 out of a total of 333,518,928 MARC records as of 1 Jan 2016
- Overall number of Holdings:
- 859,601,331
Subfield | Number of Occurrences | Holdings |
---|---|---|
1 | 2,294 | 2,820 |
3 | 4 | 17 |
2 | 274 | 26,378 |
5 | 8 | 14 |
4 | 162 | 25,928 |
7 | 1,168 | 36,697 |
6 | 60,614 | 355,397 |
9 | 1 | 1 |
a | 14,999,047 | 690,172,045 |
c | 2,485,080 | 26,484,552 |
b | 2,953,070 | 134,918,322 |
e | 121 | 143 |
d | 17,297,143 | 804,058,564 |
g | 14,062 | 67,816 |
f | 17 | 31 |
i | 18,735,443 | 875,356,881 |
h | 339,280 | 14,012,905 |
k | 279,679 | 4,270,066 |
j | 1 | 1 |
m | 311 | 3,345 |
l | 3 | 4 |
o | 382,515 | 5,226,782 |
n | 300,523 | 2,437,320 |
q | 66 | 381 |
p | 111 | 3,183 |
s | 739,739 | 37,160,554 |
r | 95 | 1,784 |
u | 245 | 9,693 |
t | 19,756,790 | 885,377,402 |
w | 26,457,617 | 1,066,668,065 |
v | 5 | 13 |
y | 396 | 1,255 |
x | 392,912 | 22,117,942 |
z | 2,352,438 | 260,462,558 |
Download this Data
Download is a text file of comma-separated values (CSV) made available under the ODC-By 1.0 license.
- TOTAL Number of Records with this field:
- 20,961,669 out of a total of 333,518,928 MARC records as of 1 Jan 2015
- Overall number of Holdings:
- 783,992,373
Subfield | Number of Occurrences | Holdings |
---|---|---|
1 | 2,412 | 2,869 |
3 | 8 | 51 |
2 | 309 | 19,298 |
5 | 7 | 39 |
4 | 125 | 9,536 |
7 | 668 | 33,324 |
6 | 56,838 | 311,553 |
a | 14,042,180 | 637,541,332 |
c | 2,604,746 | 25,920,076 |
b | 2,827,481 | 129,371,411 |
e | 119 | 141 |
d | 16,290,451 | 747,215,432 |
g | 11,497 | 64,406 |
f | 17 | 32 |
i | 17,449,216 | 802,083,875 |
h | 303,202 | 10,807,014 |
k | 269,795 | 3,029,655 |
j | 1 | 1 |
m | 337 | 2,959 |
l | 2 | 11 |
o | 368,838 | 4,505,693 |
n | 284,218 | 2,404,659 |
q | 56 | 340 |
p | 103 | 975 |
s | 688,111 | 32,359,453 |
r | 87 | 1,650 |
u | 206 | 7,384 |
t | 18,073,733 | 815,747,210 |
w | 24,479,470 | 980,387,109 |
v | 5 | 221 |
y | 392 | 1,244 |
x | 362,551 | 20,087,164 |
z | 2,122,030 | 215,644,017 |
Download this Data
Download is a text file of comma-separated values (CSV) made available under the ODC-By 1.0 license.
- TOTAL Number of Records with this field:
- 19,709,418 out of a total of 311,114,134 MARC records as of 1 Jan 2014
- Overall number of Holdings:
- 694,315,232
Subfield | Number of Occurrences | Holdings |
---|---|---|
1 | 2,406 | 2,733 |
3 | 6 | 21 |
2 | 322 | 10,859 |
5 | 6 | 24 |
4 | 93 | 7,297 |
7 | 669 | 31,916 |
6 | 48,861 | 286,250 |
9 | 3 | 3 |
a | 11,737,892 | 575,778,104 |
c | 4,414,709 | 26,940,160 |
b | 2,370,003 | 120,239,411 |
e | 115 | 117 |
d | 13,708,990 | 674,223,376 |
g | 10,914 | 60,321 |
f | 12 | 21 |
i | 14,562,292 | 717,297,776 |
h | 235,727 | 9,247,389 |
k | 242,451 | 806,995 |
j | 1 | 1 |
m | 292 | 2,409 |
l | 2 | 4 |
o | 345,692 | 1,667,443 |
n | 280,433 | 750,055 |
q | 23 | 37 |
p | 95 | 751 |
s | 546,508 | 29,711,456 |
r | 66 | 1,561 |
u | 136 | 5,855 |
t | 15,102,004 | 732,447,062 |
w | 23,740,457 | 870,595,205 |
v | 5 | 12 |
y | 384 | 1,199 |
x | 348,869 | 17,182,139 |
z | 1,735,063 | 156,059,909 |
Download this Data
Download is a text file of comma-separated values (CSV) made available under the ODC-By 1.0 license.
- TOTAL Number of Records with this field:
- 20,755,809 out of a total of 289,294,984 MARC records as of 1 Jan 2013
- Overall number of Holdings:
- 625,831,591
Subfield | Number of Occurrences | Holdings |
---|---|---|
1 | 2,420 | 2,705 |
3 | 6 | 21 |
2 | 329 | 6,843 |
5 | 6 | 11 |
4 | 52 | 1,593 |
7 | 650 | 27,320 |
6 | 39,223 | 169,747 |
9 | 3 | 45 |
a | 11,947,057 | 530,626,847 |
c | 4,809,417 | 25,111,684 |
b | 2,490,411 | 115,083,448 |
e | 113 | 114 |
d | 14,084,706 | 616,401,370 |
g | 10,382 | 58,517 |
f | 12 | 20 |
i | 14,552,933 | 651,581,698 |
h | 200,153 | 8,799,816 |
k | 238,831 | 567,373 |
j | 1 | 1 |
m | 217 | 1,817 |
l | 2 | 3 |
o | 280,263 | 964,821 |
n | 252,221 | 537,978 |
q | 24 | 37 |
p | 88 | 2,153 |
s | 536,832 | 27,193,755 |
r | 62 | 1,462 |
u | 110 | 4,527 |
t | 15,130,133 | 669,440,980 |
w | 26,769,575 | 773,107,148 |
v | 5 | 12 |
y | 380 | 1,466 |
x | 376,842 | 15,171,250 |
z | 1,993,389 | 94,148,255 |
Download this Data
Download is a text file of comma-separated values (CSV) made available under the ODC-By 1.0 license.