Library of Congress >> MARC >> Community Information >> 01X-08X >> 060

060 - National Library of Medicine Classification Number (R)


MARC 21 Community Information - Full
January 2000

First Indicator
Undefined
# - Undefined

Second Indicator
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)
$8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

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.

Second indicator values distinguish between content actually assigned by the National Library of Medicine and content assigned by an organization other than NLM.


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

INDICATORS

First Indicator - Undefined
Undefined and contains a blank (#).
Second Indicator - Source of class number
Value that indicates whether the source of the class number is the National Library of Medicine or another organization.
0 - Assigned by NLM
Source of the class number is the National Library of Medicine.
4 - Assigned by agency other than NLM
Source of the class number is an organization other than the National Library of Medicine.
110 2#$aAmerican Lung Association.
060 #4$aWF 1$bA512

SUBFIELD CODES

$a - Classification number
Classification number assigned using the National Library of Medicine Classification that is maintained by the National Library of Medicine. NLM also determines which Library of Congress Classification schedules and numbers are used to augment the scheme.
110 2#$aAmerican Society of Deaf Children.
060 #4$aWV 1$bA512
110 2#$aLeukemia Society of America.
060 #4$aWH 1$bL652
$b - Item number
Item number portion of an NLM call number. NLM uses the Cutter-Sanborn Three-Figure Author Table and a special numbering scheme in classes W1 and W3 to create item numbers. Special scheme of numbering used in classes W1 and W3 is described in the National Library of Medicine Classification.
110 2#$aAmerican Diabetes Association.
060 #4$aWK 1$bA512
$8 - Field link and sequence number
See the description of this subfield in Appendix A: Control Subfields.

INPUT CONVENTIONS

Punctuation - Field 060 does not end with a period unless the period is part of the data in the final subfield.
Spacing - Spaces that are desired in the call number must be input.

(03/18/2008) Contact Us