050 - Library of Congress Classification Number (R)
MARC 21 Community Information - Concise
2008
This is an ARCHIVED VERSION of the
2008 electronic edition of the MARC 21 Concise
Formats. Please see loc.gov/marc/concise/
for the most up-to-date version of the electronic MARC 21
Concise Formats.
Classification number or call number assigned from
Library of Congress Classification or LC
Classification--Additions and Changes, both of which are
maintained by the Library of Congress.
Indicators
First - Undefined
# - Undefined
Second - Source of class number
0 - Assigned by LC
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)
Part of the described material to which the field applies.
$8 - Field link and sequence number (R)
Examples