MARC 21 Concise Classification:
Numbers and Codes (01X-08X)
This is an ARCHIVED VERSION of the
2003 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 010-084 contain standard numbers, codes, and other data elements relating to the
classification record.
Information for Translators and Other Users
Items highlighted in red indicate changes made
after the 2002 edition of the MARC 21 Concise Formats was published
and are included in the 2003 printed edition of the MARC 21 Concise Formats.
A unique number assigned to a classification record by the Library of Congress.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - LC control number
(NR)
- $z - Canceled/invalid LC control number
(R)
- $8 - Field link and sequence number
(R)
See Control Subfields
Example
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Unique numbers that have been assigned to a record by
a national bibliographic agency other than the Library of
Congress.
Indicators
- First - National bibliographic agency
- # - National Library of Canada
- 7 - Agency identified in subfield $2
- Second - Undefined
Subfield Codes
- $a - Record control number
(NR)
- $z - Canceled or invalid control number
(R)
- $2 - Source
(NR)
The MARC code of the name of the organization
that identifies the national bibliographic agency that was
the source of the record control number.
See organization code sources
for a listing of sources used in MARC 21 records.
- $8 - Field link and sequence number
(R)
See Control Subfields
Examples
016 |
7#$a94.763966.7$2[National bibliographic agency identifier] |
016 |
7#$aagn0349684n$2[National bibliographic agency identifier] |
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A control number of a system other than the one whose control
number is contained in field 001, 010 or 016 of the classification
record.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - System control number
(NR)
The MARC code (enclosed in parentheses) for the
organization originating the system control number precedes
the number.
See organization code sources
for a listing of sources used in MARC 21 records.
- $z - Canceled/invalid control number
(R)
- $6 - Linkage
(NR)
See Control Subfields
- $8 - Field link and sequence number
(R)
See Control Subfields
Examples
035 |
##$a(CaBVAU)5826213556 |
035 |
##$a(OCoLC)7661149$z(OCoLC)7621149 |
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The MARC code for the organization(s) that
created the original classification record, assigned MARC
content designation and transcribed the record into
machine-readable form, or modified an existing MARC 21
record.
See organization code sources
for a listing of sources used in MARC 21 records.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
Examples
040 |
##$aDLC$cDLC |
040 |
##$aIU$cIU |
040 |
##$aNLM$cNLM |
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The code assigned by the authentication center that reviews and upgrades, if necessary,
a classification record in a national database. Codes have not been defined.
Indicators
- First - Undefined
- Second - Undefined
Subfield Code
- $a - Authentication code
(R)
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Information that indicates that the character set present in a
record is other than ISO 10646 (or Unicode). 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. - $c - Alternate G0 or G1 character set
(R)
The Intermediate and Final characters of each escape
sequence that
designates an alternate graphic character set used in a
record.
Examples
066 |
##$a(N |
066 |
##$a$1 |
066 |
##$b$)1 |
066 |
##$b)Q |
066 |
##$c)2 |
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Information that identifies the classification scheme used to
formulate the number caption in field 153 (Classification
Number).
Indicators
- First - Type of edition
- Second - Undefined
Subfield Codes
- $a - Classification scheme code
(NR)
- $b - Edition title
(NR)
- $c - Edition identifier
(NR)
- $d - Source edition identifier
(NR)
The edition number, date, or other textual designation of the classification scheme
edition used as the primary source for the edition identified in subfield $c. - $e - Language code
(R)
- $f - Authorization
(NR)
An indication of whether the translation has been authorized, i.e., done with the
approval of the producer of the source edition. - $n - Variations
(R)
General information about variations in this edition from the primary source
edition. - $6 - Linkage
(NR)
See Control Subfields
- $8 - Field link and sequence number
(R)
See Control Subfields
Examples
084 |
0#$addc$c22 |
084 |
0#$alcc |
084 |
1#$addc$c13 |
084 |
8#$audc$cInternational medium edition |
084 |
8#$addc$bSistema de Clasificación Decimal$c22$funauthorized |
084 |
8#$addc$bSistema de Clasificación Decimal$c1980$espa |
084 |
8#$addc$bSistema de Clasificación Decimal$c20$d21$ncontains parts of edition 21 in revised Table 2 notation for former Soviet Union and Table 6 expansions for North and South American Languages$espa |
084 |
0#$anlm$c5th ed., rev. |
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