060 - National Library of Medicine Call Number (R)
MARC 21 Bibliographic - Full
October 2002
First Indicator Existence in NLM collection # - No information provided 0 - Item is in NLM 1 - Item is not in NLM
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Second Indicator Source of call number 0 - Assigned by NLM 4 - Assigned by agency other than NLM
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Subfield Codes
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$a - Classification number (R $b - Item number (NR)
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$8 - Field link and sequence number (R)
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FIELD DEFINITION AND SCOPE
Either a complete National Library of Medicine (NLM) call number or classification
number assigned by either the National Library of Medicine or by other agencies using
the National Library of Medicine Classification. The second indicator values
distinguish between content actually assigned by the National Library of Medicine and
content assigned by an organization other than NLM.
Classification or call number is taken from National Library of Medicine
Classification schedules QS-QZ and W or from Library of Congress
Classification schedules as used by NLM for peripheral and related topics.
It is NLM practice to assign accession numbers to print monographs that receive limited
cataloging, and since January 1994 to most print monographs receiving full-level
cataloging.
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
■ INDICATORS
First Indicator - Existence in NLM collection Whether or not the item is contained in the NLM collection.
# - No information provided Used for call numbers assigned by an organization other than NLM.
0 - Item is in NLM
1 - Item is not in NLM Item is not in the NLM collection, or it is not shelved under that number.
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060 |
10$aWA 540 AA1$bB8p 1972
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060 |
14$aWF 102$bN972a 1969
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Second Indicator - Source of call number Whether the source of the call number is the National Library of Medicine or
another agency.
0 - Assigned by NLM
4 - Assigned by agency other than NLM
■ SUBFIELD CODES
$a - Classification number Either the classification number portion of the call number or an accession
number. Source of the classification number is National Library of Medicine
Classification.
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060 |
00$aW 22 DC2.1$bB8M
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060 |
00$aZ 675.M4$bH477
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Current practice is to record alternative call numbers in separate occurrences of
field 060.
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060 |
00$aW1$bBE357 Bd. 1 1978
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060 |
10$aWW 166$bM43k 1973
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060 |
00$aW3$bNU36 no. 28 1993
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060 |
10$aTP 248.65.P76$bM618a 1993
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060 |
00$a1993 A0148
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060 |
10$aW 84 AA1$bI4827a 1993
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In older records, subfield $a was repeated when alternate call numbers
were recorded. In this case, the alternate class number was recorded following the
last subfield of the call number. If the alternate class number also included an
item number, the item number was included in the same subfield $a as
the alternate class number; it was not separately subfielded.
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060 |
#4$aW1$bDE111AL v.4 pt.A 1990$aTP 248.2 D293b 1990
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060 |
00$aKK1110$aWD 320
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$b - Item number Item number portion of the NLM call number.
NLM uses the Cutter-Sanborn Three-Figure Author Table to create item
numbers 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. This subfield may also
contain a copy number.
Accession numbers do not contain a separate item portion, thus subfield
$b is not used. The alternative numbers assigned to items receiving
less-than-full cataloging also lack an item number.
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060 |
00$aEE7766
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060 |
10$aQV 350
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$8 - Field link and sequence number
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.
Display Constants
Display constant
DNLM: and the Arabic numeral that precede an NLM call number,
and the brackets that surround the entire statement are not carried in the MARC record.
They may be system generated as a display constant associated with the field tag.
Space-slash-space that is used to separate alternate NLM call numbers when they are
recorded in the same field (applies to older records) is not carried in the
machine-readable record. It may be system generated as a display constant associated
with the presence of repeated $a subfields.
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Content designated field:
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060 |
00$aW1$bBE 357 Bd. 1 1973$aWW 166 M43k 1973
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Display example:
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1. [DNLM: W1 BE 357 Bd. 1 1973 / WW 166 M43k
1973]
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CONTENT DESIGNATOR HISTORY
Indicator 2 - Series call number (SE) [OBSOLETE]
In the serials specifications, the use of the second indicator position to indicate
the type of series was made obsolete in 1976. The values were: 0 (No series
involved), 1 (Main series), 2 (Subseries), 3 (Sub-subseries).
Indicator 2 - Source of call number
# - No information provided [OBSOLETE]
Second indicator was defined in 1982. Prior to that change, 060 was an
agency-assigned field and contained only call numbers assigned by the National
Library of Medicine. NLM records created before the definition of this indicator may
contain a blank (#) meaning undefined in the second indicator position.
$a - Classification number
Prior to January 1994, subfield $a was repeated to record alternative call
numbers. Beginning in 1994, alternative call numbers should be recorded in separate
occurrences of field 060.