MARC 21 Concise Bibliographic: Classification and Call Number Fields (05X-08X)

• 050 - LIBRARY OF CONGRESS CALL NUMBER (R)
• 051 - LIBRARY OF CONGRESS COPY, ISSUE, OFFPRINT STATEMENT (R)
• 052 - GEOGRAPHIC CLASSIFICATION (R)
• 055 - CLASSIFICATION NUMBERS ASSIGNED IN CANADA (R)
• 060 - NATIONAL LIBRARY OF MEDICINE CALL NUMBER (R)
• 061 - NATIONAL LIBRARY OF MEDICINE COPY STATEMENT (R)
• 066 - CHARACTER SETS PRESENT (NR)
• 070 - NATIONAL AGRICULTURAL LIBRARY CALL NUMBER (R)
• 071 - NATIONAL AGRICULTURAL LIBRARY COPY STATEMENT (R)
• 072 - SUBJECT CATEGORY CODE (R)
• 074 - GPO ITEM NUMBER (R)
• 080 - UNIVERSAL DECIMAL CLASSIFICATION NUMBER (R)
• 082 - DEWEY DECIMAL CLASSIFICATION NUMBER (R)
• 084 - OTHER CLASSIFICATION NUMBER (R)
• 086 - GOVERNMENT DOCUMENT CLASSIFICATION NUMBER (R)
• 088 - REPORT NUMBER (R)

050 - LIBRARY OF CONGRESS CALL NUMBER (R)

Indicators

• First - Existence in LC collection
  Indicates whether the item is in the LC collections.
  • # - No information provided
    A call number assigned by an organization other than LC.
  • 0 - Item is in LC
    May be used by organizations transcribing from LC copy on which the call number is neither enclosed within brackets nor preceded by a Maltese cross.
  • 1 - Item is not in LC
    May be used by organizations transcribing from LC copy on which the call number is enclosed within brackets or is preceded by a Maltese cross. The brackets that customarily surround call numbers for items not in LC are not carried in the MARC record; they may be generated for display.
• Second - Source of call number
  A value that indicates whether the call number has been assigned by the Library of Congress or another organization.
  • 0 - Assigned by LC
    May be used by organizations transcribing from LC copy.
  • 4 - Assigned by agency other than LC

Subfield Codes

• $a - Classification number (R)
• $b - Item number (NR)
  Organizations that use the Cutter-Sanborn Three-Figure Author Table may conform to LC item number practice by applying Subject Cataloging Manual: Shelflisting procedures.
• $3 - Materials specified (NR)
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

051 - LIBRARY OF CONGRESS COPY, ISSUE, OFFPRINT STATEMENT (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Classification number (NR)
• $b - Item number (NR)
• $c - Copy information (NR)
• $8 - Field link and sequence number (R) See Control Subfields

Examples

052 - GEOGRAPHIC CLASSIFICATION (R)

Indicators

• First - Code source
  • # - Library of Congress Classification
  • 1 - U.S. Dept. of Defense Classification
  • 7 - Source specified in subfield $2
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Geographic classification area code (NR)
  A four- to six-character numeric code for the main geographic area associated with the item. The code is derived from the LC class G schedule by dropping the letter G.
• $b - Geographic classification subarea code (R)
  An alphanumeric code, assigned from expanded Cutter lists, that represents a subarea of the geographic area coded in subfield $a. Cutter numbers for places in the U.S. are published in Geographic Cutters that is maintained by the Library of Congress.
• $d - Populated place name (R)
  May contain the name of the geographic area
• $2 - Code source (NR)
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

055 - CLASSIFICATION NUMBERS ASSIGNED IN CANADA (R)

Indicators

• First - Existence in LAC collection
  A value that indicates whether the item is in the LACcollections.
  • # - Information not provided
    A call/class number assigned by an organization other than LAC.
  • 0 - Work held by LAC
  • 1 - Work not held by LAC
• Second - Type, completeness, source of class/call number
  A value that indicates whether the number is a complete or incomplete LC number assigned by LAC or a contributing library, an LC-based number assigned by LAC or a contributing library, or a class/call number assigned by LAC or a contributing library from a classification scheme other than the LC, NLM (field 060), Universal Decimal (field 080), or Dewey (field 082) schemes.
  • 0 - LC-based call number assigned by LAC
  • 1 - Complete LC class number assigned by LAC
  • 2 - Incomplete LC class number assigned by LAC
  • 3 - LC-based call number assigned by the contributing library
  • 4 - Complete LC class number assigned by the contributing library
  • 5 - Incomplete LC class number assigned by the contributing library
  • 6 - Other call number assigned by LAC
  • 7 - Other class number assigned by LAC
  • 8 - Other call number assigned by the contributing library
  • 9 - Other class number assigned by the contributing library

Subfield Codes

• $a - Classification number (NR)
• $b - Item number (NR)
• $2 - Source of call/class number (NR)
  A MARC code that identifies the classification scheme used to assign the call/class number when the second indicator position contains value 6, 7, 8, or 9. Code from: MARC Code Lists for Relators, Sources, Description Conventions .
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

060 - NATIONAL LIBRARY OF MEDICINE CALL NUMBER (R)

Indicators

• First - Existence in NLM collection
  • # - No information provided
    A call number assigned by an organization other than NLM.
  • 0 - Item is in NLM
  • 1 - Item is not in NLM
• Second - Source of call number
  • 0 - Assigned by NLM
  • 4 - Assigned by agency other than NLM

Subfield Codes

• $a - Classification number (R)
• $b - Item number (NR)
  NLM uses the Cutter-Sanborn Three-Figure Author Table and a special numbering scheme in classes W1 and W3 to create item numbers.
• $8 - Field link and sequence number (R) See Control Subfields

Examples

061 - NATIONAL LIBRARY OF MEDICINE COPY STATEMENT (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Classification number (R)
• $b - Item number (NR)
• $c - Copy information (NR)
• $8 - Field link and sequence number (R) See Control Subfields

066 - CHARACTER SETS PRESENT (NR)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Primary G0 character set (NR)
  The Intermediate and Final characters of the escape sequence that designates and invokes the default G0 character set.
• $b - Primary G1 character set (NR)
  The Intermediate and Final characters of the escape sequence that designates and invokes the default G1 character set.
• $c - Alternate G0 or G1 character set (R)
  The Intermediate and Final characters of each escape sequence that designates an alternate G0 or G1 character set used in a record.

Examples

070 - NATIONAL AGRICULTURAL LIBRARY CALL NUMBER (R)

Indicators

• First - Existence in NAL collection
  • 0 - Item is in NAL
  • 1 - Item is not in NAL
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Classification number (R)
• $b - Item number (NR)
• $8 - Field link and sequence number (R) See Control Subfields

Examples

071 - NATIONAL AGRICULTURAL LIBRARY COPY STATEMENT (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Classification number (R)
• $b - Item number (NR)
• $c - Copy information (NR)
• $8 - Field link and sequence number (R) See Control Subfields

072 - SUBJECT CATEGORY CODE (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Code source
  • 0 - NAL subject category code list
    The subject category code is taken from AGRIS: Subject Categories that is maintained by NAL.
  • 7 - Source specified in subfield $2

Subfield Codes

• $a - Subject category code (NR)
  The code for the broad subject associated with the item.
• $x - Subject category code subdivision (R)
  The level of specificity within the broader subject coded in subfield $a.
• $2 - Source (NR)
  A MARC code that identifies the thesaurus used to assign the subject category code when the second indicator position contains value 7. Code from: MARC Code Lists for Relators, Sources, Description Conventions .
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

074 - GPO ITEM NUMBER (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - GPO item number (NR)
  The number is assigned from List of Classes of United States Government Publications Available for Selection by Depository Libraries that is maintained by GPO. GPO Item No. : may be generated for display.
• $z - Canceled/invalid GPO item number (R)
• $8 - Field link and sequence number (R) See Control Subfields

Examples

080 - UNIVERSAL DECIMAL CLASSIFICATION NUMBER (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Code

• $a - Universal Decimal Classification number (NR)
• $b - Item number (NR)
• $x - Common auxiliary subdivision (R)
  A number that qualifies the concept represented by the main number.
• $2 - Edition identifier (NR)
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

082 - DEWEY DECIMAL CLASSIFICATION NUMBER (R)

Indicators

• First - Type of edition
  • 0 - Full edition
  • 1 - Abridged edition
• Second - Source of classification number
  A value that indicates whether the classification number has been assigned by the Library of Congress or another organization.
  • # - No information provided
  • 0 - Assigned by LC
    May be used by organizations transcribing from LC copy.
  • 4 - Assigned by agency other than LC

Subfield Codes

• $a - Classification number (R)
• $b - Item number (NR)
• $2 - Edition number (NR)
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

084 - OTHER CLASSIFICATION NUMBER (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Classification number (R)
• $b - Item number (NR)
• $2 - Source of number (NR)
  Code from: MARC Code Lists for Relators, Sources, Description Conventions
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

086 - GOVERNMENT DOCUMENT CLASSIFICATION NUMBER (R)

Indicators

• First - Number source
  A value that indicates the source of the classification number.
  • # - Source specified in subfield $2
    A classification number other than the U.S. or Canadian scheme.
  • 0 - Superintendent of Documents Classification System
    Assigned by the U.S Government Printing Office. Supt. of Docs. no.: may be generated for display.
  • 1 - Government of Canada Publications: Outline of Classification
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Classification number (NR)
• $z - Canceled/invalid classification number (R)
• $2 - Number source (NR)
  A MARC code that identifies the government document classification scheme used to assign the number when the first indicator position contains value #. The code may be used to generate a display constant to identify the source of the classification number. Code from: MARC Code Lists for Relators, Sources, Description Conventions .
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples

088 - REPORT NUMBER (R)

Indicators

• First - Undefined
  • # - Undefined
• Second - Undefined
  • # - Undefined

Subfield Codes

• $a - Report number (NR)
• $z - Canceled/invalid report number (R)
• $6 - Linkage (NR) See Control Subfields
• $8 - Field link and sequence number (R) See Control Subfields

Examples