050 - Library of Congress Classification Number (R)
MARC 21 Community Information - Concise
2007
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