USMARC FORMAT FOR AUTHORITY DATA: FIELD LIST
1993 Edition, including Update No. 1 (July 1995) and Update No. 2 (March 1997)
Network Development and MARC Standards Office
This document lists all valid and obsolete data elements that may appear in USMARC authority records. It is intended to meet the need for a simple data element list to support MARC system development and online validation of MARC data elements. This listing does not include any descriptions or examples of MARC data elements. Descriptions and examples can be found in the USMARC Concise Authority Format.
--Leader and Directory-- LEADER Character Positions 00-04 - Logical record length 05 - Record status a - Increase in encoding level c - Corrected or revised d - Deleted (other) n - New s - Deleted; heading split into two or more headings x - Deleted; heading replaced by another heading 06 - Type of record z - Authority data 07-09 - Undefined character positions 10 - Indicator count 11 - Subfield code count 12-16 - Base address of data 17 - Encoding level n - Complete authority record o - Incomplete authority record 18-19 - Undefined character positions 20-23 - Entry map 20 - Length of the length-of-field portion 21 - Length of the starting-character-position portion 22 - Length of the implementation-defined portion 23 - Undefined Entry map character position DIRECTORY Character Positions 00-02 - Tag 03-06 - Field length 07-11 - Starting character position --Control Fields (00X)-- 001 - CONTROL NUMBER (NR) 003 - CONTROL NUMBER IDENTIFIER (NR) 005 - DATE AND TIME OF LATEST TRANSACTION (NR) 008 - FIXED-LENGTH DATA ELEMENTS (NR) Character positions 00-05 - Date entered on file 06 - Direct or indirect geographic subdivision # - Not subdivided geographically d - Subdivided geographically--direct i - Subdivided geographically--indirect n - Not applicable 07 - Romanization scheme a - International standard b - National standard c - National library association standard d - National library or bibliographic agency standard e - Local standard f - Standard of unknown origin g - Conventional romanization or conventional form of name in language of cataloging agency n - Not applicable 08 - Language of catalog # - No information provided b - English and French e - English only f - French only 08 - Undefined character position [OBSOLETE] 09 - Kind of record a - Established heading b - Untraced reference c - Traced reference d - Subdivision e - Node label f - Established heading and subdivision g - Reference and subdivision 10 - Descriptive cataloging rules a - Earlier rules b - AACR 1 c - AACR 2 d - AACR 2 compatible heading n - Not applicable z - Other 11 - Subject heading system/thesaurus a - Library of Congress Subject Headings b - LC subject headings for children's literature c - Medical Subject Headings d - National Agricultural Library subject authority file k - Canadian Subject Headings n - Not applicable r - Art and Architecture Thesaurus s - Search List of Subject Headings v - Repertoire des vedettes-matiere z - Other 12 - Type of series a - Monographic series b - Multipart item c - Series-like phrase n - Not applicable z - Other 13 - Numbered or unnumbered series a - Numbered b - Unnumbered c - Numbering varies n - Not applicable 14 - Heading use--main or added entry # - Undetermined [OBSOLETE] a - Appropriate b - Not appropriate c - Heading is appropriate for use as a main or added entry [OBSOLETE] u - Unknown [OBSOLETE] 15 - Heading use--subject added entry # - Undetermined [OBSOLETE] a - Appropriate b - Not appropriate c - Heading is appropriate for use as a subject [OBSOLETE] u - Unknown [OBSOLETE] 16 - Heading use--series added entry # - Undetermined [OBSOLETE] a - Appropriate b - Not appropriate c - Heading is appropriate for use as a series [OBSOLETE] u - Unknown [OBSOLETE] 17 - Type of subject subdivision # - Value used in records before definition of this character position [OBSOLETE] a - Topical b - Form c - Chronological d - Geographic e - Language n - Not applicable 18-27 - Undefined character positions 28 - Type of government agency # - Not a government agency a - Autonomous or semi-autonomous component of - Malaysia c - Multilocal f - Federal/national i - International intergovernmental l - Local m - Multistate o - Government agency--type undetermined s - State, provincial, territorial, dependent, etc. u - Unknown if heading is government agency z - Other 29 - Reference evaluation # - Value used in records before definition of this character position [OBSOLETE] a - Tracings are consistent with the heading b - Tracings are not necessarily consistent with the heading n - Not applicable 30 - Undefined character position 31 - Record update in process a - Record can be used b - Record is being updated 32 - Undifferentiated personal name a - Differentiated personal name b - Undifferentiated personal name n - Not applicable 33 - Level of establishment a - Fully established b - Memorandum c - Provisional d - Preliminary n - Not applicable 34-37 - Undefined character positions 35-37 - Language of heading code [OBSOLETE] 38 - Modified record # - Not modified s - Shortened x - Missing characters 39 - Cataloging source # - National bibliographic agency a - National Agricultural Library [OBSOLETE] b - National Library of Medicine [OBSOLETE] c - Cooperative cataloging program d - Other u - Unknown --Number and Code Fields (01X-08X)-- 010 - LIBRARY OF CONGRESS CONTROL NUMBER (NR) Indicators Subfield Codes $a - LC control number (NR) $z - Cancelled/invalid LC control number (R) 014 - LINK TO BIBLIOGRAPHIC RECORD FOR SERIAL OR MULTIPART ITEM (R) Indicators Subfield Codes $a - Control number of related bibliographic record (NR) $6 - Linkage (NR) 016 - NATIONAL BIBLIOGRAPHIC AGENCY CONTROL NUMBER (R) Indicators First - National bibliographic agency # - National Library of Canada 7 - Agency identified in subfield $2 Second - Undefined Subfield Codes $a - Record control number (NR) $z - Cancelled/invalid LC control number (R) $2 - Source (NR) 020 - INTERNATIONAL STANDARD BOOK NUMBER (R) Indicators Subfield Codes $a - International Standard Book Number (NR) $c - Terms of availability (NR) $z - Cancelled/invalid ISBN (R) $6 - Linkage (NR) 022 - INTERNATIONAL STANDARD SERIAL NUMBER (R) Indicators Subfield Codes $a - International Standard Serial Number (NR) $y - Incorrect ISSN (R) $z - Cancelled ISSN (R) $6 - Linkage (NR) 035 - SYSTEM CONTROL NUMBER (R) Indicators Subfield Codes $a - System control number (NR) $z - Cancelled/invalid system control number (R) $6 - Linkage (NR) 040 - CATALOGING SOURCE (R) Indicators Subfield Codes $a - Original cataloging agency (NR) $b - Language of cataloging (NR) $c - Transcribing agency (NR) $d - Modifying agency (R) $e - Description conventions (NR) $f - Subject heading/thesaurus conventions (NR) 042 - AUTHENTICATION CODE (NR) Indicators Subfield Code $a - Authentication code (R) 043 - GEOGRAPHIC AREA CODE (NR) Indicators Subfield Code $a - Geographic area code (R) 045 - TIME PERIOD OF HEADING (NR) Indicators First - Type of time period in subfield $b or $c # - Subfield $b or $c not present 0 - Single date/time 1 - Multiple single dates/times 2 - Range of dates/times Second - Undefined Subfield Codes $a - Time period code (R) $b - Formatted 9999 B.C. through A.D. time period (R) $c - Formatted pre-9999 B.C. time period (R) 050 - LIBRARY OF CONGRESS CALL NUMBER (R) Indicators First - Undefined Second - Source of call number 0 - Assigned by LC 4 - Assigned by agency other than LC Subfield Codes $a - Classification number (NR) $b - Item number (NR) $d - Volumes/dates to which call number applies (NR) $5 - Institution to which field applies (R) $6 - Linkage (NR) 052 - GEOGRAPHIC CLASSIFICATION CODE (R) Indicators Subfield Codes $a - Geographic classification area code (NR) $b - Geographic classification subarea code (R) 053 - LC CLASSIFICATION NUMBER (R) Indicators First - Undefined Second - Source of classification number 0 - Assigned by LC 4 - Assigned by agency other than LC Subfield Codes $a - Classification number element--single number or beginning number of span (NR) $b - Classification number element--ending number of span (NR) $c - Explanatory term (NR) $5 - Institution to which field applies (NR) 055 - National Library of Canada CALL NUMBER (R) Indicators Undefined Second - Source of call number 0 - Assigned by NLC 4 - Assigned by agency othan than NLC Subfield Codes $a - Classification number (NR) $b - Item number (NR) $d - Volumes/dates to which call number applies (NR) $5 - Institution to which field applies (R) $6 - Linkage (NR) 060 - NATIONAL LIBRARY OF MEDICINE CALL NUMBER (R) Indicators First - Undefined Second - Source of call number 0 - Assigned by NLM 4 - Assigned by agency other than NLM Subfield Codes $a - Classification number (NR) $b - Item number (NR) $d - Volumes/dates to which call number applies (NR) $5 - Institution to which field applies (R) $6 - Linkage (NR) 066 - CHARACTER SETS PRESENT (NR) Indicators Subfield Codes $a - Non-ASCII G0 default character set designation (NR) $b - Non-ANSEL G1 default character set designation (NR) $c - Alternate graphic character set identification (R) 070 - NATIONAL AGRICULTURAL LIBRARY CALL NUMBER (R) Indicators Subfield Codes $a - Classification number (NR) $b - Item number (NR) $d - Volume/dates to which call number applies (NR) $6 - Linkage (NR) 072 - SUBJECT CATEGORY CODE (R) Indicators First - Undefined Second - Code source # - No information provided 0 - National Agricultural Library subject category code list 7 - Code source specified in subfield $2 Subfield Codes $a - Subject category code (NR) $x - Subject category code subdivision (R) $2 - Code source (NR) $6 - Linkage (NR) 073 - SUBDIVISION USAGE (NR) Indicators Subfield Codes $a - Subdivision usage (R) $z - Source (NR) $6 - Linkage (NR) 082 - DEWEY DECIMAL CALL NUMBER (R) Indicators First - Type of edition 0 - Full 1 - Abridged Second - Source of call number # - No information provided 0 - Assigned by LC 4 - Assigned by agency other than LC Subfield Codes $a - Classification number (NR) $b - Item number (NR) $d - Volumes/dates to which call number applies (NR) $2 - Edition number (NR) $5 - Institution to which field applies (R) $6 - Linkage (NR) 083 - DEWEY DECIMAL CLASSIFICATION NUMBER (R) Indicators First - Type of edition 0 - Full 1 - Abridged Second - Source of call number 0 - Assigned by LC 4 - Assigned by agency other than LC Subfield Codes $a - Classification number element--single number or beginning number of span (NR) $b - Classification number element--ending number of span (NR) $c - Explanatory term (NR) $z - Table identification--table number (NR) $2 - Edition number (NR) $5 - Institution to which field applies (NR) $6 - Linkage (NR) 086 - GOVERNMENT DOCUMENT CALL NUMBER (NR) Indicators First - Number source # - Number specified in subfield $2 0 - Superintendent of Documents Classification System 1 - Government of Canada Publications: Outline of Classification Second - Undefined Subfield Codes $a - Call number (NR) $d - Volumes/dates to which call number applies (NR) $z - Cancelled/invalid call number (NR) $2 - Number source (NR) $5 - Institution to which field applies (NR) $6 - Linkage (NR) 087 - GOVERNMENT DOCUMENT CLASSIFICATION NUMBER (NR) Indicators First - Number source # - Source specified in subfield $2 0 - Superintendent of Documents Classification System 1 - Government of Canada Publications: Outline of Classification Second - Undefined Subfield Codes $a - Classification number element--Single number or beginning number of span (NR) $b - Classification number element--Ending number of span (NR) $c - Explanatory information (NR) $2 - Number source (NR) 09X - LOCAL CALL NUMBERS 090 - LOCAL CALL NUMBER (SERIES) [OBSOLETE] Indicators Subfield Codes $a - Classification number (NR) $b - Item number (NR) $d - Volume/dates to which call number applies (NR)