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)