Input Standards | |||
| From LC copy only | |||
| 1st Indicator Undefined | |||
| Undefined | |||
| 2nd Indicator Undefined | |||
| Undefined | |||
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards | ||
| ‡a | Classification number (NR) | Mandatory/Mandatory MIX: Obsolete. Do not use/Obsolete. Do not use | |
| ‡b | Item number (NR) | Required if applicable/Required if applicable MIX: Obsolete. Do not use/Obsolete. Do not use | |
| ‡c | Copy information (NR) | Mandatory/Mandatory MIX: Obsolete. Do not use/Obsolete. Do not use | |
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. | ||||||||||||||||
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 | |||||||||||||||||
| ‡a Classification number | The class number portion of the LC assigned call number. Use the guidelines for field 050. | ||||||||||||||||
| ‡b Item number | The item number portion of the LC assigned call number. Use the guidelines for field 050. | ||||||||||||||||
| ‡c 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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Printing | Field 051 does not print. Use field 090 to print copy, issue, and offprint statements. |