USMARC Concise Bibliographic: Classification and Call Number Fields (05X-08X)
Fields 050-088 fields contain classification and call numbers related to the item described in the bibliographic record. Identification of the character sets used in encoding the bibliographic data is also provided for by a field in this group.
- 050 - LIBRARY OF CONGRESS CALL NUMBER (R)
- 051 - LIBRARY OF CONGRESS COPY, ISSUE, OFFPRINT STATEMENT (R)
- 052 - GEOGRAPHIC CLASSIFICATION CODE (R)
- 055 - CALL NUMBERS/CLASS 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 (NR)
- 082 - DEWEY DECIMAL CALL NUMBER (R)
- 084 - OTHER CLASSIFICATION NUMBER (R)
- 086 - GOVERNMENT DOCUMENT CALL NUMBER (R)
- 088 - REPORT NUMBER (R)
050 - LIBRARY OF CONGRESS CALL NUMBER (R)
A classification or call number that is taken from Library of Congress Classification or LC Classification Additions and Changes. The brackets that customarily surround alternate class/call numbers are not carried in the USMARC record; they may be generated based on the presence of repeated $a subfields.
Indicators
- First - Existence in LC collection
A value that 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 USMARC record; they may be generated.
- # - No information provided
- 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
A record may contain only one of these fields with value 4 in the second indicator position.
- 0 - Assigned by LC
Subfield Codes
- $a - Classification number (R)
(The classification number is an authoritative-agency data element.) - $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)
See the description of subfield $3 under field 033.
Examples
050 |
$4$aNB933.F44 $bT6 |
050 |
10$aBJ1533.C4 $bL49 |
050 |
00$aJK609 $b.M2 |
050 |
00$aZ7164.N3 $bL34 no. 9 $aZ7165.R42 $aHC517.R42 |
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051 - LIBRARY OF CONGRESS COPY, ISSUE, OFFPRINT STATEMENT (R)
Information added to a bibliographic record by LC that relates to copies, issues, and/or offprints of the described item that are in its collections.
Indicators
Both undefined; each contains a blank (#)
Subfield Codes
- $a - Classification number (NR)
- $b - Item number (NR)
- $c - Copy information (NR)
Examples
051 |
##$aQE75 $b.G4 $c2d set. |
051 |
##$aMicrofilm $b3741 HV $cMicrofilm. |
051 |
##$aRC310 $b.W59 $cOffprint. Cover dated 1947. |
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052 - GEOGRAPHIC CLASSIFICATION CODE (R)
A code for the main geographic area and any applicable subareas associated with the item. The geographic classification code is derived from Library of Congress Classification Class G and expanded Cutter number lists for place names that are maintained by the Library of Congress.
Indicators
Both undefined; each contains a blank (#)
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 $a. Cutter numbers for places in the U.S. are published in Geographic Cutters that is maintained by the Library of Congress.
Examples
052 |
##$a3810 |
052 |
##$a4034 $bR4 $bR8 |
052 |
##$a4033 $bF65 |
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055 - CALL NUMBERS/CLASS NUMBERS ASSIGNED IN CANADA (R)
A classification or call number that is assigned by the National Library of Canada or a contributing Canadian library.
Indicators
- First - Existence in NLC collection
A value that indicates whether the item is in the NLC collections.- # - Information not provided
A call/class number assigned by an organization other than NLC. - 0 - Work held by NLC
- 1 - Work not held by NLC
- # - Information not provided
- Second - Type, completeness, source of class/call
number
A value that indicates whether the number is a complete or incomplete LC number assigned by NLC or a contributing library, an LC-based number assigned by NLC or a contributing library, or a class/call number assigned by NLC 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 NLC
- 1 - Complete LC class number assigned by NLC
- 2 - Incomplete LC class number assigned by NLC
- 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 NLC
- 7 - Other class number assigned by NLC
- 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)
- $2 - Source of call/class number (NR)
A USMARC code that identifies the classification scheme used to assign the call/class number when the second indicator position contains value 6, 7, 8, or 9. The source of the code is USMARC Code List of Relators, Sources, Description Conventions that is maintained by the Library of Congress.
Examples
055 |
#5$aHT154 |
055 |
01$aM1679.18 |
055 |
12$aTS800 |
055 |
00$aJK609 $bM2 |
055 |
01$aM1679.18 |
055 |
#3$aDS598 S7 $b.B34 |
055 |
18$aKF385 ZB5 $bC6 $2kfmod |
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060 - NATIONAL LIBRARY OF MEDICINE CALL NUMBER (R)
A classification or call number that is taken from National Library of Medicine Classification schedules QS-QZ and W or from Library of Congress Classification schedules as used by NLM for peripheral and related topics. The legend DNLM: and the arabic number that precede an NLM call number, and the brackets that surround the entire statement are not carried in the USMARC record. They may be generated based on the field tag. The space-slash-space that separates alternate NLM call numbers is not carried in the USMARC record; it may be generated based on the presence of repeated $a subfields.
Indicators
- First - Existence in NLM collection
A value that indicates whether the item is in the NLM collections.- # - No information provided
A call number assigned by an organization other than NLM. - 0 - Item is in NLM
- 1 - Item is not in NLM
- # - No information provided
- Second - Source of call number
- 0 - Assigned by NLM
- 4 - Assigned by agency other than NLM
A record may contain only one field 060 with value 4 in the second indicator position.
Subfield Codes
- $a - Classification number (R)
- $b - Item number (NR)
NLM uses the Cutter-Sanborn Three-Figure Author Table and a special numbering scheme in classes W1 and W3 to create item numbers.
Examples
060 |
#4$aW1 $bJO706M |
060 |
00$aWM 270 $bMP16 no. 4 1969 |
060 |
10$aWA 540 AA1 $bB8p 1972 |
060 |
00$aW3 $bNU36 no. 28 1993 |
060 |
00$aW1 $bDE111AL v.4 pt.A 1990 $aTP 248.2 D293b 1990 |
060 |
00$aKK1110 $aWD 320 |
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061 - NATIONAL LIBRARY OF MEDICINE COPY STATEMENT (R)
Information added to a bibliographic record by NLM that relates to second copies or sets of the described item that are in its collections.
Indicators
Both undefined; each contains a blank (#)
Subfield Codes
- $a - Classification number (R)
- $b - Item number (NR)
- $c - Copy information (NR)
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066 - CHARACTER SETS PRESENT (NR)
Information that indicates that the character set present in a record is other than the ANSEL, the ASCII, or the USMARC Greek, subscript or superscript character sets. A detailed description of the standard escape sequences used in USMARC records is provided in USMARC Specifications for Record Structure, Character Sets, and Exchange Media.
Indicators
Both undefined; each contains a blank (#)
Subfield Codes
- $a - Non-ASCII G0 default character set designation
(NR)
The Intermediate and Final characters of the escape sequence that designates and invokes the default non-ASCII or USMARC G0 character set. - $b - Non-ANSEL G1 default character set designation
(NR)
The Intermediate and Final characters of the escape sequence that designates and invokes the default non-ANSEL G1 character set. - $c - Alternate graphic character set identification
(R)
The Intermediate and Final characters of each escape sequence that designates an alternate graphic character set used in a record.
Examples
066 |
##$a(N |
[The Intermediate character in the designation sequence is 2816 (ASCII graphic "(" ) that identifies the character set as one byte per character, and the Final character is 4E16 (ASCII graphic "N") that identifies the Basic Cyrillic character set.] |
|
066 |
##$b$)1 |
[The Intermediate character in the designation sequence is 2416 (ASCII graphic "$") 2916 (ASCII graphic ")" ) that identifies the character set as multiple bytes per character, and the Final character is 3116 (ASCII graphic "1") that identifies the USMARC Chinese, Japanese, Korean character set.] |
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070 - NATIONAL AGRICULTURAL LIBRARY CALL NUMBER (R)
A classification or call number that is assigned by the National Agricultural Library.
Indicators
- First - Existence in NAL collection
A value that indicates whether the item is contained in the NAL collections.- 0 - Item is in NAL
- 1 - Item is not in NAL
- Second - Undefined
Contains a blank (#)
Subfield Codes
- $a - Classification number (R)
- $b - Item number (NR)
Examples
070 |
0#$a105.2 $bW122 |
070 |
1#$aHD281.I5 $bno. 5 |
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071 - NATIONAL AGRICULTURAL LIBRARY COPY STATEMENT (R)
Information added to a bibliographic record by NAL that relates to second copies or sets of the described item that are in its collections.
Indicators
Both undefined; each contains a blank (#)
Subfield Codes
- $a - Classification number (R)
- $b - Item number (NR)
- $c - Copy information (NR)
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072 - SUBJECT CATEGORY CODE (R)
A code for the subject category that is associated with the described item.
Indicators
- First - Undefined
Contains a blank (#) - Second - Code source
A value that indicates the source of the subject category code.- 0 - National Agricultural Library subject category
code list
The subject category code is taken from AGRIS: Subject Categories that is maintained by NAL. - 7 - Code source specified in subfield $2
The USMARC code for the source is contained in subfield $2.
- 0 - National Agricultural Library subject category
code list
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 - Code source (NR)
A USMARC code that identifies the thesaurus used to assign the subject category code when the second indicator position contains value 7. The source of the code is USMARC Code List for Relators, Sources, Description Conventions that is maintained by the Library of Congress. - $6 - Linkage (NR)
See the description of subfield $6 under field 013.
Examples
072 |
#0$aK800 |
072 |
#7$aE5 $x.510 $2mesh |
072 |
#7$a17 $x02.1 $2cosatisc |
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074 - GPO ITEM NUMBER (R)
A number assigned by the U.S. Government Printing Office to publications to manage their distribution within its Depository Library System.
Indicators
Both undefined; each contains a blank (#)
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. - $z - Cancelled/invalid GPO item number (R)
Examples
074 |
##$a334-C-1 |
074 |
##$a277-A-2 (MF) |
074 |
##$a1022-A $z1012-A |
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080 - UNIVERSAL DECIMAL CLASSIFICATION NUMBER (NR)
A number taken from the Universal Decimal Classification scheme.
Indicators
Both undefined; each contains a blank (#)
Subfield Code
- $a - Universal Decimal Classification number (R)
Examples
080 |
##$a971.1/.2 |
080 |
##$a631.321:631.411.3 |
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082 - DEWEY DECIMAL CALL NUMBER (R)
The classification number is taken from Dewey Decimal Classification, Abridged Dewey Decimal Classification, and/or DC&: Dewey Decimal Classification Additions, Notes and Decisions, all of which are maintained by the Library of Congress. The brackets enclosing a DDC number that appear on printed products are not carried in the USMARC record. They may be generated based on the field tag.
Indicators
- First - Type of edition
A value that indicates whether the classification number is taken from the full or an abridged edition.- 0 - Full edition
- 1 - Abridged edition
- Second - Source of call number
- # - No information provided
- 0 - Assigned by LC
- 4 - Assigned by agency other than LC
See the description of the second indicator under field 050.
Subfield Codes
- $a - Classification number (R)
- $b - Item number (NR)
- $2 - Edition number (NR)
The number of the edition from which the classification number is assigned.
Examples
082 |
00$a697/.78 $220 |
082 |
10$a914.3 $212 |
082 |
00$a343.7306/8 $a347.30368 $220 |
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084 - OTHER CLASSIFICATION NUMBER (R)
Contains a call number or classification number from a scheme not covered by one of the other number fields. The field should not be used for classification numbers assigned from a source for which a subfield $2 source of number code would not be assigned.
Indicators
Both undefined; each contains a blank (#)
Subfield Codes
- $a - Classification number (R)
- $b - Item number (NR)
- $2 - Source of number (NR)
- $6 - Linkage (NR)
See the description of subfield $6 under field 013.
Examples
084 |
##$a016 $a014 $a018 $a122 $2frbnpnav |
084 |
##$aKB112.554 $bU62 1980 $2laclaw |
084 |
##$a8501(043) $2rueskl |
084 |
##$aCA2 PQ C07 81P52 $2cacodoc |
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086 - GOVERNMENT DOCUMENT CALL NUMBER (R)
The classification number assigned to documents by designated agencies in countries that have a government documents classification program.
Indicators
- First - Number source
A value that indicates the source of the classification number.- # - Source specified in subfield $2
A classification program 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. - 1 - Government of Canada Publications: Outline of Classification
- # - Source specified in subfield $2
- Second - Undefined
Contains a blank (#)
Subfield Codes
- $a - Classification number (NR)
- $z - Cancelled/invalid classification number (R)
- $2 - Number source (NR)
A USMARC code that identifies the government document classification scheme used to assign the number when the second indicator position contains value #. The code may be used to generate a display constant to identify the source of the classification number. The source of the code is USMARC Code List for Relators, Sources, Description Conventions that is maintained by the Library of Congress. - $6 - Linkage (NR)
See the description of subfield $6 under field 013.
Examples
086 |
##$aHEU/G74.3C49 $2ordocs |
086 |
0#$aA 13.28:F 61/2/981 Glacier |
086 |
0#$aHE 20.6209:13/45 |
086 |
0#$aITC 1.12:TA-503 (A)-18 AND 332- 279 |
086 |
0#$aA 1.1: $zA 1.1/3:984 |
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088 - REPORT NUMBER (R)
A report number that is not a Standard Technical Report Number (field 027). (The number is an agency-assigned data element.)
Indicators
Both undefined; each contains a blank (#)
Subfield Codes
- $a - Report number (NR)
- $z - Cancelled/invalid report number (R)
- $6 - Linkage (NR)
See the description of subfield $6 under field 013.
Examples
088 |
##$aSTRATLAB-71-98 |
088 |
##$aNASA-RP-1124-REV-3 $zNASA-RP-1124-REV-2 |
088 |
##$zNASA-TN-D-8008 |