Library of Congress >> MARC >> Bibliographic >> 01X-09X >> 051

051 - Library of Congress Copy, Issue, Offprint Statement (R)

MARC 21 Bibliographic - Full

February 1999

First Indicator
Undefined
# - Undefined

Second Indicator
Undefined
# - Undefined


Subfield Codes
$a - Classification number (NR) $b - Item number (NR)	$c - Copy information (NR) $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Information added to a bibliographic record by the Library of Congress that relates to copies, issues, and/or offprints, etc. of the described material that are in its collections.

Used only for such information assigned by the Library of Congress. The field does not include supplements, indexes, etc., which are related to, but not the same as, the item in the main record. This field is frequently used for Library of Congress publications when the first two copies are given a call number based on the subject of the publication and additional copies are given a call number assigned to publications of LC.

GUIDELINES FOR APPLYING CONTENT DESIGNATORS

■ INDICATORS

Both indicator positions are undefined; each contains a blank (#).

■ SUBFIELD CODES

$a - Classification number

Instructions for recording subfield ‡a are the same as for field 050 (Library of Congress Call Number). Subfield ‡a must always be present.


050	00$aQE75$b.P9 subser.
051	##$aQE75$b.G4$c2d set.
051	##$aMicrofilm$b3741 HV$cMicrofilm. [A microfilm shelf number for a book.]

$b - Item number


051	##$aRC310$b.W59$cOffprint. Cover dated 1947.

$c - Copy information

Information pertaining to the second or subsequent copy or set. Subfield ‡c must always be present in field 051.


051	##$aPR6045.I5498$bG65 1933b$cAnother impression.

$8 - Field link and sequence number

See description of this subfield in Appendix A: Control Subfields.

INPUT CONVENTIONS

Punctuation - Field 051 always ends in a period.

CONTENT DESIGNATOR HISTORY

Indicator 2 - Series call number (SE) [OBSOLETE, 1976]
Values were: 0 (No series involved), 1 (Main series), 2 (Subseries), 3 (Sub-subseries).

Library of Congress >> MARC >> Bibliographic >> 01X-09X >> 051

(02/20/2008)