060 - National Library of Medicine 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This is an ARCHIVED VERSION of the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.
Complete National Library of Medicine (NLM) call number or
classification number assigned by either the National Library
of Medicine or by other agencies using the National Library
of Medicine Classification.
Indicators
First - Undefined
# - Undefined
Second - Source of class number
0 - Assigned by NLM
4 - Assigned by agency other than NLM
Subfield Codes
$a - Classification number (R)
$b - Item number (NR)
Item number portion of an NLM call number. NLM uses the
Cutter-Sanborn Three-Figure Author Table and a
special numbering scheme in classes W1 and W3 to create
item numbers. Special scheme of numbering used in classes
W1 and W3 is described in the National Library of
Medicine Classification.
$8 - Field link and sequence number (R)
Examples
The Library of Congress
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