MARC 21 Concise Classification: Numbers and Codes (01X-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This is an ARCHIVED VERSION of the 2000 electronic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 010-084 contain standard numbers, codes, and other data elements relating
to the classification record.
A unique number assigned to a classification record by the Library of Congress. (010
is
an agency-assigned field.)
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
A value that either identifies a specific national
bibliographic agency or refers to a code in subfield $2
(Source)
- # - 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. The source of the code is the
MARC Code List for
Organizations that is maintained by the Library of Congress. For
Canadian organizations, the source of the code is
Symbols and
Interlibrary Loan Policies in Canada that is maintained by the National
Library of Canada.
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Example
016 |
7#$a94.763966.7
$2[National bibliographic agency
identifier] |
016 |
7#$aagn0349684n
$2[National bibliographic agency
identifier] |
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A control number of a system other than the one whose control
number is contained in field 001, 010 or 016 of the classification
record.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
Examples
035 |
##$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. The source of the code is the
MARC Code List for
Organizations that is maintained by the Library of Congress. For
Canadian organizations, the source of the code is
Symbols and
Interlibrary Loan Policies in Canada that is maintained by the National
Library of Canada.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Original classification agency
(NR)
- $b - Language code
(NR)
- $c - Transcribing agency
(NR)
- $d - Modifying agency
(R)
- $6 - Linkage
(NR)
See
Control
Subfields
- $8 - Field link and sequence number
(R)
See
Control
Subfields
Examples
040 |
##$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 the default MARC Latin sets (ANSEL and ASCII). 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
- 0 - Full
- 1 - Abridged
- 8 - Other
- 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
$c21 |
084 |
0#$alcc |
084 |
1#$addc
$c13 |
084 |
8#$audc
$cInternational
medium edition |
084 |
8#$addc
$bSistema de Clasificación Decimal
$c21
$funauthorized |
084 |
8#$addc
$bSistema de Clasificación
Decimal
$c1980
$espa |
084 |
8#$addc
$bSistema de Clasificación Decimal
$c21
$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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