051 Library of Congress Copy, Issue, Offprint Statement (R)
Record Type |
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BIB |
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Input Standards |
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| Field (Full/Minimal) | ||
| Optional/Optional | ||
| 1st Indicator Undefined | ||
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Undefined | |
| 2nd Indicator Undefined | ||
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Undefined | |
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
| ǂa | Classification number (NR) | Mandatory/Mandatory |
| ǂb | Item number (NR) | Required if applicable/Required if applicable |
| ǂc | Copy information (NR) | Mandatory/Mandatory |
| ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition |
Data about copies, issues, offprints, and detached copies. This field pertains only to such information assigned by LC. LC copy data may be located at the bottom of LC cataloging copy. If you are transcribing such data, use field 051. Do not use field 051 if the only information is a copy number preceded by dashes. Field 051 always ends in a period. |
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1st Indicator |
Undefined. The 1st indicator position is undefined and contains a blank.
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2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank.
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Subfields |
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| ǂa Classification number | The class number portion of the LC assigned call number. Use the guidelines for field 050.
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| ǂb Item number | The item number portion of the LC assigned call number. Use the guidelines for field 050.
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| ǂc Copy information | Transcribe copy data as it appears on LC copy. Do not use field 051 if LC cataloging includes only a copy number without qualifying information.
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| ǂ8 Field link and sequence number | For information about subfield ǂ8, see Control Subfields. |
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Indexing |
Field 051 is not indexed. |
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MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 051. |