MARC 21 Concise Bibliographic: Classification and Call Number Fields
(05X-08X)
This is an ARCHIVED VERSION of the 2000 electronic
edition of the MARC 21 Concise Formats. Please see www.loc.gov/marc/concise/
for the most up-to-date version of the electronic MARC 21 Concise Formats.
Fields 050-088 fields contain classification and call numbers related to the
item described in the bibliographic record. Identification of the character
sets used in encoding the bibliographic data is also provided for by a field
in this group.
Information for Translators and Other Users
Items highlighted in red indicate changes made
after the 1998 edition of the USMARC Concise Formats was published (This
publication included the 1994 base text, along with Updates No. 1 (March 1995),
No. 2 (March 1996) and No. 3 (July 1997) of the USMARC Format for Bibliographic
Data).
Items highlighted in green indicate changes made
to the online format only. These changes will be corrected in the 2001 printed
edition of the MARC 21 Concise Formats (Available soon).
A classification or call number that is taken from
Library of Congress Classification or LC Classification Additions and
Changes. The brackets that customarily surround alternate class/call
numbers are not carried in the MARC record; they may be generated based on the
presence of repeated $a subfields.
Indicators
- First - Existence in LC collection
A value that indicates whether the item is in the LC
collections.
- # - No information provided
A call number assigned by an organization other than
LC.
- 0 - Item is in LC
May be used by organizations transcribing from LC copy
on which
the call number is neither enclosed within brackets nor preceded
by a Maltese
cross.
- 1 - Item is not in LC
May be used by organizations transcribing from LC copy
on which
the call number is enclosed within brackets or is preceded by a
Maltese
cross. The brackets that customarily surround call numbers for
items not in
LC are not carried in the MARC record; they may be
generated.
- Second - Source of call number
A value that indicates whether the call number has been
assigned by
the Library of Congress or another organization.
- 0 - Assigned by LC
May be used by organizations transcribing from LC
copy.
- 4 - Assigned by agency other than
LC
A record may contain only one of these fields with
value 4 in
the second indicator position.
Subfield Codes
- $a - Classification number
(R)
(The classification number is an authoritative-agency data
element.)
- $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)
The part of the described materials to which the field applies
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
050 |
#4$aNB933.F44
$bT6 |
050 |
10$aBJ1533.C4
$bL49 |
050 |
00$aJK609
$b.M2 |
050 |
00$aZ7164.N3
$bL34 no. 9
$aZ7165.R42
$aHC517.R42 |
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Information added to a bibliographic record by LC that relates
to copies,
issues, and/or offprints of the described item that are in its
collections.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Classification number
(NR)
- $b - Item number
(NR)
- $c - Copy information
(NR)
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
051 |
##$aQE75
$b.G4
$c2d set. |
051 |
##$aMicrofilm
$b3741 HV
$cMicrofilm. |
051 |
##$aRC310
$b.W59
$cOffprint. Cover dated 1947. |
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A code for the main geographic area and any applicable subareas
associated
with the item. The geographic classification code is derived from
Library of Congress Classification Class G and
expanded
Cutter number lists for place names that are maintained by the
Library of
Congress.
Indicators
- First - Code source
- # - Library of Congress Classification
- 0 - U.S. Dept. of Defense Classification
- 7 - Source specified in subfield $2
- Second - Undefined
Subfield Codes
- $a - Geographic classification area code
(NR)
A four- to six-character numeric code for the main
geographic area
associated with the item. The code is derived from the LC class
G schedule
by dropping the letter G.
- $b - Geographic classification subarea code
(R)
An alphanumeric code, assigned from expanded Cutter lists,
that
represents a subarea of the geographic area coded in subfield $a.
Cutter
numbers for places in the U.S. are published in
Geographic
Cutters that is maintained by the Library of
Congress.
- $d - Populated place name (R)
May contain the name of the geographic area
- $2 - Code source (NR)
- $6 - Linkage
(NR)
See
Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
052 |
##$a3810 |
052 |
##$a4034
$bR4
$bR8 |
052 |
##$a4033
$bF65 |
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A classification or call number that is assigned by the National
Library of
Canada or a contributing Canadian library.
Indicators
- First - Existence in NLC collection
A value that indicates whether the item is in the NLC
collections.
- # - Information not provided
A call/class number assigned by an organization other
than
NLC.
- 0 - Work held by NLC
- 1 - Work not held by
NLC
- Second - Type, completeness, source of
class/call
number
A value that indicates whether the number is a complete or
incomplete
LC number assigned by NLC or a contributing library, an LC-based
number
assigned by NLC or a contributing library, or a class/call number
assigned by
NLC or a contributing library from a classification scheme other
than the LC,
NLM (field 060), Universal Decimal (field 080), or Dewey (field
082) schemes.
- 0 - LC-based call number assigned by
NLC
- 1 - Complete LC class number assigned
by
NLC
- 2 - Incomplete LC class number assigned
by
NLC
- 3 - LC-based call number assigned by
the
contributing library
- 4 - Complete LC class number assigned
by the
contributing library
- 5 - Incomplete LC class number assigned
by the
contributing library
- 6 - Other call number assigned by
NLC
- 7 - Other class number assigned by
NLC
- 8 - Other call number assigned by the
contributing library
- 9 - Other class number assigned by the
contributing library
Subfield Codes
- $a - Classification number
(NR)
- $b - Item number
(NR)
- $2 - Source of call/class number
(NR)
A MARC code that identifies the classification scheme
used to
assign the call/class number when the second indicator position
contains
value 6, 7, 8, or 9. The source of the code is
MARC Code Lists
for Relators, Sources, Description Conventions that is maintained by the
Library of Congress.
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
055 |
#5$aHT154 |
055 |
01$aM1679.18 |
055 |
12$aTS800 |
055 |
00$aJK609
$bM2 |
055 |
01$aM1679.18 |
055 |
#3$aDS598 S7
$b.B34 |
055 |
18$aKF385 ZB5
$bC6
$2kfmod |
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A classification or call number that 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. The legend
DNLM:
and the arabic number that precede an NLM call number, and the
brackets that
surround the entire statement are not carried in the MARC
record. They may
be generated based on the field tag. The space-slash-space that
separates
alternate NLM call numbers is not carried in the MARC record; it
may be
generated based on the presence of repeated $a subfields.
Indicators
- First - Existence in NLM collection
A value that indicates whether the item is in the NLM
collections.
- # - No information provided
A call number assigned by an organization other than
NLM.
- 0 - Item is in NLM
- 1 - Item is not in
NLM
- Second - Source of call number
- 0 - Assigned by NLM
- 4 - Assigned by agency other than
NLM
A record may contain only one field 060 with value 4
in the
second indicator position.
Subfield Codes
- $a - Classification number
(R)
- $b - Item number
(NR)
NLM uses the
Cutter-Sanborn Three-Figure
Author
Table and a special numbering scheme in classes W1 and W3
to create
item numbers.
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
060 |
#4$aW1
$bJO706M
|
060 |
00$aWM 270
$bMP16 no. 4
1969 |
060 |
10$aWA 540 AA1
$bB8p
1972 |
060 |
00$aW3
$bNU36 no. 28
1993 |
060 |
00$aW1
$bDE111AL v.4 pt.A 1990
$aTP
248.2 D293b 1990 |
060 |
00$aKK1110
$aWD
320 |
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Information added to a bibliographic record by NLM that relates
to second
copies or sets of the described item that are in its
collections.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Classification number
(R)
- $b - Item number
(NR)
- $c - Copy information
(NR)
- $8 - Field link and sequence number
(R)
See
Control
Subfields
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Information that indicates that the character set present in a
record is
other than the default MARC Latin sets (ASCII and ANSEL). A detailed description of the
standard escape sequences used in MARC records is provided in
MARC 21
Specifications for Record Structure, Character Sets, and Exchange
Media.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Primary G0 character set
(NR)
The Intermediate and Final characters of the escape
sequence that
designates and invokes the default G0 character
set.
- $b - Primary G1 character set
(NR)
The Intermediate and Final characters of the escape
sequence that designates and invokes the default G1 character
set.
- $c - Alternate G0 or G1 character set
(R)
The Intermediate and Final characters of each escape
sequence that
designates an alternate G0 or G1 character set used in a
record.
Examples
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A classification or call number that is assigned by the National
Agricultural Library.
Indicators
- First - Existence in NAL collection
A value that indicates whether the item is contained in the
NAL collections.
- 0 - Item is in NAL
- 1 - Item is not in
NAL
- Second - Undefined
Subfield Codes
- $a - Classification number
(R)
- $b - Item number
(NR)
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
070 |
0#$a105.2
$bW122 |
070 |
1#$aHD281.I5
$bno. 5 |
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Information added to a bibliographic record by NAL that relates
to second
copies or sets of the described item that are in its
collections.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Classification number
(R)
- $b - Item number
(NR)
- $c - Copy information
(NR)
- $8 - Field link and sequence number
(R)
See
Control
Subfields
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A code for the subject category that is associated with the
described
item.
Indicators
- First - Undefined
- Second - Code source
A value that indicates the source of the subject category
code.
- 0 - NAL subject category code list
The subject category code is taken from
AGRIS:
Subject Categories that is maintained by
NAL.
- 7 - Code source specified in subfield
$2
The MARC code for the source is contained in
subfield
$2.
Subfield Codes
- $a - Subject category code
(NR)
The code for the broad subject associated with the
item.
- $x - Subject category code subdivision
(R)
The level of specificity within the broader subject coded
in subfield
$a.
- $2 - Code source
(NR)
A MARC code that identifies the thesaurus used to assign
the
subject category code when the second indicator position contains
value 7.
The source of the code is
MARC Code Lists
for Relators, Sources, Description Conventions that is maintained by the
Library of Congress.
- $6 - Linkage
(NR)
See
Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
072 |
#0$aK800 |
072 |
#7$aE5
$x.510
$2mesh |
072 |
#7$a17
$x02.1
$2cosatisc |
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A number assigned by the U.S. Government Printing Office to
publications to
manage their distribution within its Depository Library
System.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - GPO item number
(NR)
The number is assigned from
List of Classes
of United
States Government Publications Available for Selection by
Depository
Libraries that is maintained by GPO.
GPO
Item No.
: may be generated.
- $z - Canceled/invalid GPO item number
(R)
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
074 |
##$a334-C-1 |
074 |
##$a277-A-2 (MF) |
074 |
##$a1022-A
$z1012-A |
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A number taken from the
Universal Decimal
Classification scheme.
Indicators
- First - Undefined
- Second - Undefined
Subfield Code
- $a - Universal Decimal Classification number (NR)
- $b - Item number (NR)
- $x - Common auxiliary subdivision (R)
A number that qualifies the concept represented by the main UDC number.
- $2 - Edition identifier (NR)
- $6 - Linkage
(NR)
See
Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
080 |
##$a971.1/.2 |
080 |
##$a631.321:631.411.3 |
080 |
##$a821.113.1
$x(494)
$2[edition information] |
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The classification number is taken from
Dewey Decimal Classification,
Abridged Dewey Decimal Classification, and/or
DC&: Dewey Decimal Classification Additions, Notes and
Decisions, all of which are maintained by the
Library of Congress. The brackets enclosing a DDC number
that appear on printed products are not carried in the MARC
record. They may be generated based on the field tag.
Indicators
- First - Type of edition
A value that indicates whether the classification number is
taken
from the full or an abridged edition.
- 0 - Full edition
- 1 - Abridged edition
- Second - Source of call number
A value that indicates whether the call number has been assigned by the Library of
Congress or another organization
- # - No information provided
- 0 - Assigned by LC
May be used by organizations transcribing from LC copy.
- 4 - Assigned by agency other than LC
A record may contain only one of these fields with value 4 in the second indicator
position
Subfield Codes
- $a - Classification number
(R)
- $b - Item number
(NR)
- $2 - Edition number
(NR)
The number of the edition from which the classification
number is
assigned.
- $6 - Linkage
(NR)
See
Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
082 |
00$a697/.78
$220 |
082 |
10$a914.3
$212 |
082 |
00$a343.7306/8
$a347.30368
$220 |
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A call number or classification number from a scheme not
covered by one of the other number fields. The field should not be
used for classification numbers assigned from a source for which a
subfield $2 source of number code would not be assigned.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Classification number
(R)
- $b - Item number
(NR)
- $2 - Source of number
(NR)
- $6 - Linkage
(NR)
See
Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
084 |
##$a016
$a014
$a018
$a122
$2frbnpnav |
084 |
##$aKB112.554
$bU62 1980
$2laclaw |
084 |
##$a8501(043)
$2rueskl |
084 |
##$aCA2 PQ C07 81P52
$2cacodoc |
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The classification number assigned to documents by designated
agencies in
countries that have a government documents classification
program.
Indicators
- First - Number source
A value that indicates the source of the classification
number.
- # - Source specified in subfield
$2
A classification program other than the U.S. or
Canadian
scheme.
- 0 - Superintendent of Documents
Classification
System
Assigned by the U.S Government Printing Office.
Supt. of Docs. no.: may be
generated.
- 1 - Government of Canada Publications:
Outline
of Classification
- Second - Undefined
Subfield Codes
- $a - Classification number
(NR)
- $z - Canceled/invalid classification number
(R)
- $2 - Number source
(NR)
A MARC code that identifies the government document
classification
scheme used to assign the number when the second indicator
position contains value #. The code may be used to generate a display constant to
identify the source of the classification number. The source of the code is
MARC Code Lists
for
Relators, Sources, Description Conventions that is maintained by the
Library of Congress.
- $6 - Linkage
(NR)
See
Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
086 |
##$aHEU/G74.3C49
$2ordocs |
086 |
0#$aA
13.28:F 61/2/981 Glacier |
086 |
0#$aHE 20.6209:13/45 |
086 |
0#$aITC 1.12:TA-503 (A)-18 AND 332-
279 |
086 |
0#$aA 1.1:
$zA 1.1/3:984 |
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A report number that is not a Standard Technical Report Number (field 027).
(The number is an agency-assigned data element.)
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
Examples
088 |
##$aSTRATLAB-71-98 |
088 |
##$aNASA-RP-1124-REV-3
$zNASA-RP-1124-REV-2 |
088 |
##$zNASA-TN-D-8008 |
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