Tag List: Authority
There are 999 possible MARC tags, many of which have been established by the Library of Congress as fields in the various MARC formats. The following lists each possible tag and, where applicable, its assigned usage in the Authority Data Format.
The Tag List groups the Variable Control Fields and Variable Data Fields. The Variable Data Fields are subgrouped as follows:
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Note: Generally, any field containing a "9" (e.g., 049, 910, etc.) is available for local use, such as local call numbers, holdings, or subject headings. Check with your system vendor for further information.
Leader and Directory:
Variable Control Fields:
001 Control Number (NR)
002 unassigned
003 Control Number Identifier (NR)
004 unassigned
005 Date and Time of Latest Transaction (NR)
006 unassigned
007 unassigned
008 Fixed-Length Data Elements (NR)
009 unassigned
Variable Data Fields:
010 Library of Congress Control Number (NR)
011 - 013 unassigned
014 Link to Bibliographic Record for Serial or Multipart Item (R)
015 unassigned
016 National Bibliographic Agency Control Number (R)
017 - 019 unassigned
020 International Standard Book Number (R)
021 unassigned
022 International Standard Serial Number (R)
023 unassigned
024 Other Standard Identifier (R)
025 - 030 unassigned
031 Musical Incipits Information (R)
032 - 033 unassigned
034 Coded Cartographic Mathematical Data (R)
036 - 039 unassigned
041 unassigned
044 unassigned
045 Time Period of Heading (NR)
047 - 049 unassigned
050 Library of Congress Call Number (R)
051 unassigned
052 Geographic Classification (R)
053 LC Classification Number (R)
054 unassigned
055 Library and Archives Canada Call Number (R)
056 - 057 unassigned
058 LC Classification Number Assigned in Canada [obsolete] [CAN/MARC only]
059 unassigned
060 National Library of Medicine Call Number (R)
061 - 062 unassigned
063 NLM Classification Number Assigned by NLM [obsolete] [CAN/MARC only]
064 unassigned
065 Other Classification Number (R)
066 Character Sets Present (NR)
067 unassigned
068 NLM Classification Number Assigned in Canada [obsolete] [CAN/MARC only]
069 unassigned
070 National Agricultural Library Call Number (R)
071 unassigned
074 unassigned
076 - 079 unassigned
080 Universal Decimal Classification Number (R)
081 unassigned
082 Dewey Decimal Call Number (R)
083 Dewey Decimal Classification Number (R)
084 - 085 unassigned
086 Government Document Call Number (R)
087 Government Document Classification Number (R)
088 Document Shelving Number (CODOC) [obsolete] [CAN/MARC only]
089 unassigned
100 Heading - Personal Name (NR)
101 - 109 unassigned
110 Heading - Corporate Name (NR)
111 Heading - Meeting Name (NR)
112 - 129 unassigned
130 Heading - Uniform Title (NR)
131 - 139 unassigned
140 Uniform Title [obsolete] [CAN/MARC only]
141 - 142 unassigned
143 Collective Title [obsolete] [CAN/MARC only]
144 - 146 unassigned
147 Heading - Named Event (NR)
148 Heading - Chronological Term (NR)
149 unassigned
150 Heading - Topical Term (NR)
151 Heading - Geographic Name (NR)
152 - 154 unassigned
155 Heading - Genre/Form Term (NR)
156 - 161 unassigned
162 Heading - Medium of Performance Term (NR)
163 - 179 unassigned
180 Heading - General Subdivision (NR)
181 Heading - Geographic Subdivision (NR)
182 Heading - Chronological Subdivision (NR)
183 - 184 unassigned
185 Heading - Form Subdivision (NR)
186 - 199 unassigned
260 See below
261 - 299 unassigned
336 Content Type (R)
337 - 347 unassigned
348 Format of Notated Music (R)
349 - 359 unassigned
360 See below
361 - 367 unassigned
368 Other Attributes of Person or Corporate Body (R)
369 unassigned
371 Address (R)
374 Occupation (R)
375 Gender (R)
378 Fuller Form of Personal Name (NR)
379 unassigned
380 Form of Work (R)
381 Other Distinguishing Characteristics of Work or Expression (R)
383 Numeric Designation of Musical Work (R)
384 Key (NR)
385 Audience Characteristics (R)
386 Creator/Contributor Characteristics (R)
387 unassigned
388 Time Period of Creation (R)
389 - 399 unassigned
260 Complex See Reference - Subject (R)
360 Complex See Also Reference - Subject (R)
400 See From Tracing - Personal Name (R)
401 - 409 unassigned
410 See From Tracing - Corporate Name (R)
411 See From Tracing - Meeting Name (R)
412 - 429 unassigned
430 See From Tracing - Uniform Title (R)
431 - 446 unassigned
447 See From Tracing - Named Event (R)
448 See From Tracing - Chronological Term (R)
449 unassigned
450 See From Tracing - Topical Term (R)
451 See From Tracing - Geographic Name (R)
452 - 454 unassigned
455 See From Tracing - Genre/Form Term (R)
456 - 461 unassigned
462 See From Tracing - Medium of Performance Term (R)
463 - 479 unassigned
480 See From Tracing - General Subdivision (R)
481 See From Tracing - Geographic Subdivision (R)
482 See From Tracing - Chronological Subdivision (R)
483 - 484 unassigned
485 See From Tracing - Form Subdivision (R)
486 - 499 unassigned
500 See Also From Tracing - Personal Name (R)
501 - 509 unassigned
510 See Also From Tracing - Corporate Name (R)
511 See Also From Tracing - Meeting Name (R)
512 - 529 unassigned
530 See Also From Tracing - Uniform Title (R)
531 - 546 unassigned
547 See Also From Tracing - Named Event (R)
548 See Also From Tracing - Chronological Term (R)
549 unassigned
550 See Also From Tracing - Topical Term (R)
551 See Also From Tracing - Geographic Name (R)
552 - 554 unassigned
555 See Also From Tracing - Genre/Form Term (R)
556 - 561 unassigned
562 See Also From Tracing - Medium of Performance Term (R)
563 - 579 unassigned
580 See Also From Tracing - General Subdivision (R)
581 See Also From Tracing - Geographic Subdivision (R)
582 See Also From Tracing - Chronological Subdivision (R)
583 - 584 unassigned
585 See Also From Tracing - Form Subdivision (R)
586 - 599 unassigned
640 Series Dates of Publication and/or Sequential Designation (R)
641 Series Numbering Peculiarities (R)
642 Series Numbering Example (R)
643 Series Place and Publisher/Issuing Body (R)
644 Series Analysis Practice (R)
645 Series Tracing Practice (R)
646 Series Classification Practice (R)
647 - 649 unassigned
663 Complex See Also Reference - Name (NR)
664 Complex See Reference - Name (NR)
666 General Explanatory Reference - Name (NR)
667 Nonpublic General Note (R)
668 Note - Characters in Nonroman Alphabets [obsolete] [USMARC only]
669 unassigned
671 Note - Work Catalogued (Names/Titles) [obsolete] [CAN/MARC only]
672 Title Related to the Entity (R)
673 Title Not Related to the Entity (R)
674 unassigned
675 Source Data Not Found (NR)
676 Note - Cataloging Rules (Names/Titles) [obsolete] [CAN/MARC only]
677 Definition (R)
678 Biographical or Historical Data (R)
679 unassigned
681 Subject Example Tracing Note (R)
682 Deleted Heading Information (NR)
683 - 684 unassigned
685 Note - Source Data Found (Subjects) [obsolete] [CAN/MARC only]
686 Note - Source Data Not Found (Subjects) [obsolete] [CAN/MARC only]
687 Note - Usage (Subjects) [obsolete] [CAN/MARC only]
688 Application History Note (R)
689 - 699 unassigned
700 Established Heading Linking Entry - Personal Name (R)
701 - 709 unassigned
710 Established Heading Linking Entry - Corporate Name (R)
711 Established Heading Linking Entry - Meeting Name (R)
712 - 729 unassigned
730 Established Heading Linking Entry - Uniform Title (R)
731 - 746 unassigned
747 Established Heading Linking Entry - Named Event (R)
748 Established Heading Linking Entry - Chronological Term (R)
749 unassigned
750 Established Heading Linking Entry - Topical Term (R)
751 Established Heading Linking Entry - Geographic Name (R)
752 - 754 unassigned
755 Established Heading Linking Entry - Genre/Form Term (R)
756 - 761 unassigned
762 Established Heading Linking Entry - Medium of Performance Term (R)
763 - 779 unassigned
780 Subdivision Linking Entry - General Subdivision (R)
781 Subdivision Linking Entry - Geographic Subdivision (R)
782 Subdivision Linking Entry - Chronological Subdivision (R)
783 - 784 unassigned
785 Subdivision Linking Entry - Form Subdivision (R)
786 - 787 unassigned
788 Complex Linking Entry Data (NR)
789 - 799 unassigned
856 Electronic Location and Access (R)
857 - 879 unassigned
880 Alternate Graphic Representation (R)
881 - 882 unassigned
884 Description Conversion Information (R)
886 - 899 unassigned
9XX - Equivalent Headings [obsolete, 1997] [CAN/MARC only]
See also: