MARC 21 Concise Authority:
Number and Code Fields (01X-09X)
This is an ARCHIVED VERSION of the 2002 electronic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 010-09X contain control numbers, linking standard
numbers, classification and call numbers, codes, and other data
elements relating to the authority record.
Information for Translators and Other Users
Items highlighted in red indicate changes
made after the 2001 edition of the MARC 21 Concise Formats was published
and are included in the 2002 printed edition of the MARC 21 Concise Formats.
A unique number assigned to a record by LC or a Linked Systems Project partner
contributing authority records to the Name Authority Cooperative Program (NACO)
database.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - LC control number (NR)
- $z - Canceled/invalid LC control number (R)
- $8 - Field link and sequence number (R) See Control
Subfields
Example
010 |
##$an##80022124#$zn##80014241# |
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The control number copied from field 001 of a MARC 21 bibliographic record
for a serial or a multipart item that is cataloged as a set.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
Example
014 |
##$a(DLC)###85032313# |
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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/invalid record 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
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
016 |
##$a0010C0008## |
016 |
##$a0115E5000F# |
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The ISBN, terms of availability, and any canceled/invalid ISBN copied from
field 020 of a MARC bibliographic record for a multipart item that is cataloged
as a set.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - International Standard Book Number (NR)
The valid ISBN and any parenthetical qualifying information. ISBN
and the embedded hyphens may be generated for display.
- $c - Terms of availability (NR)
The price or a brief statement of availability and any parenthetical information
qualifying the information.
- $z - Canceled/invalid ISBN (R)
A canceled or invalid ISBN and any parenthetical qualifying information. ISBN
(invalid) and the embedded hyphens may be generated for display.
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
020 |
##$a0882335073 (set) |
020 |
##$a0882335065 (v. 2 : jacket) |
020 |
##$a8449955289 (v. 1)$c$15.00 (per vol.) |
020 |
##$a0870686933 (v. 1 : alk. paper)$z0870684302
(jacket) |
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The ISSN and/or any incorrect and canceled ISSNs copied from field 022 of a
MARC 21 bibliographic record for a serial.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - International Standard Serial Number (NR)
The valid ISSN for the serial. ISSN may be generated for display.
- $y - Incorrect ISSN (R)
ISSN (incorrect) may be generated for display.
- $z - Canceled ISSN (R)
ISSN (canceled) may be generated for display.
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
022 |
##$a0083-0674 |
022 |
##$a0046-225X$y0046-2254 |
022 |
##$a0410-7543$z0527-740X |
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The control number for the record in a system other than the one whose control
number is contained in field 001 (Control Number), field 010 (Library of Congress
Control Number), or field 016 (National Bibliographic Agency Control Number).
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - System control number (NR)
The MARC code (enclosed in parentheses) of the organization originating the
system control number, followed immediately by the number. For U.S. organizations
and countries other than Canada, the source of the code is the MARC
Code List for Organizations . 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.
- $z - Canceled/invalid system control number (R)
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
035 |
##$a(CaBVaU)2835210335 |
035 |
##$a(OCoLC)1553114$z(OCoLC)153114 |
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The MARC code or the name of the organization(s) that created the original
authority record, assigned MARC content designation and transcribed the record
into machine-readable form, or modified an existing MARC record. These data
and the code in 008/39 (Cataloging source) specify the parties responsible for
the authority record. For U.S. organizations and countries other than Canada,
the source of the code is the MARC Code
List for Organizations. 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 cataloging agency (NR)
- $b - Language of cataloging (NR)
A MARC code for the language used in the textual portions of the record. Code
from: MARC Code List for Languages
- $c - Transcribing agency (NR)
- $d - Modifying agency (R)
- $e - Description conventions (NR)
Information specifying the description rules used in formulating the heading
and reference structure when field 008/10 (Descriptive cataloging rules) contains
code z (Other).
- $f - Subject heading or thesaurus conventions (NR)
A MARC code for the subject heading/thesaurus conventions used when field
008/11 contains code z. Code from: MARC
Code Lists for Relators, Sources, Description Conventions
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
040 |
##$aDLC$cDLC |
040 |
##$aSd$cICU |
040 |
##$aICU$cICU |
040 |
##$aMH$cMH$dDLC |
040 |
##$aNc$cDLC$dDLC |
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One or more codes that indicate an authentication center has reviewed a national
database record. The codes are associated with specifically designated authentication
agencies.
Indicators
- First - Undefined
- Second - Undefined
Subfield Code
- $a - Authentication code (R)
A code assigned by the authentication center to indicate that the record
has been reviewed in a specific way. Please see www.loc.gov/marc/relators/relaothr.html#rela042b for
a complete list of valid authentication codes.
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Geographic area codes associated with the 1XX heading in an established heading
record or a subdivision record. The source of the code in subfield $a is MARC
Code List for Geographic Areas. The source of a local code in subfield
$b is indicated in subfield $2. The source of codes in subfield $c is ISO
3166, Codes for the representation of names of countries and their subdivisions
- Part 1 : Country codes or Part 2 : Country subdivision codes.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Geographic area code (R)
- $b - Local GAC code (R)
- $c - ISO code (R)
- $2 - Source of local code (R)
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
043 |
##$an-us-mi |
043 |
##$ae-fr---$ae-pl--- |
043 |
##$ae-gx--- |
043 |
##$an-cn--- |
043 |
##$af-ke--- |
043 |
##$asa----- |
043 |
##$an-cn-on |
043 |
##$cus |
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A time period code (subfield $a) and/or a formatted time period (subfield $b
or $c) associated with the 1XX heading in an established heading record or a
subdivision record.
Indicators
- First - Type of time period in subfield $b or $c
- # - Subfield $b or $c not present
- 1 - Multiple single dates/times
Multiple $b and/or $c subfields are present; each contains a formatted
date/time.
- 2 - Range of dates/times
Two $b and/or $c subfields are present and together express a range of
dates and/or times.
- Second - Undefined
Subfield Codes
- $a - Time period code (R)
A four-character alphanumeric code derived from the "Time Period Code Table"
for B.C. and C.E. time periods. The table is found in the MARC 21 Format
for Authority Data under the description of field 045, subfield $a.
- $b - Formatted 9999 B.C. through C.E. time period (R)
A time period recorded in the pattern yyyymmddhh and preceded by
a code for the era ( c for B.C.; d for C.E.)
- $c - Formatted pre-9999 B.C. time period (R)
A time period that consists of as many numeric characters as are needed to
represent the number of pre-9999 years B.C.
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
045 |
##$aa0d6 |
045 |
0#$c2500000000 |
045 |
1#$bd1972$bd1975 |
045 |
2#$bd186405$bd186408 |
045 |
2#$c25000$c15000 |
045 |
##$ad7d9 |
045 |
##$aa-c- |
045 |
##$ac4c6 |
045 |
##$ad8h2 |
045 |
2#$bd1791$bd1797 |
045 |
2#$c225000000$c70000000 |
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A call/and or class number for a series when all or part of the series is classified
as a collected set or with the main series. The classification number is taken
from the Library of Congress Classification and/or the LC Classification
Additions and Changes.
Indicators
- First - Undefined
- Second - Source of call number
- 4 - Assigned by agency other than LC
The MARC code of the assigning organization is contained in subfield $5.
Subfield Codes
- $a - Classification number (NR)
- $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.
- $d - Volumes/dates to which call number applies (NR)
A statement that is used only when the call number does not apply to all items
in the series. Applies to: may be generated for display.
- $5 - Institution to which field applies (R) See Control
Subfields
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
050 |
#0$aQC851$b.L455 subser. |
050 |
#4$aQH198.H3$bC66$5DI |
050 |
#0$aDQ3$b.S6 |
050 |
#0$aQE462.K5$bI59 |
050 |
#0$aQK1$b.U45$dno. 1-200,
copy 1; no. 201- |
050 |
#4$aHD1694.S6$bC55$5DI |
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A code for a geographic area associated with the 151 field in an established
heading record or a subdivision record for a geographic name. The geographic
classification code is derived from the Library of Congress Classification
Class G and expanded Cutter number lists for place names.
Indicators
- First - Code source
- # - Library of Congress Classification
- 1 - 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 heading. 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 number 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.
- $d - Populated place name (R)
May contain the name of the geographic area.
- $2 - Code source (NR)
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
052 |
##$a4411 |
052 |
##$a4034$bR4$bR8 |
052 |
##$a4034$bR4$bR8 |
052 |
1#$aBK$dMostar |
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A single LC classification number or a range of numbers associated with a 1XX
heading in an established heading record or a subdivision record. The classification
number is taken from the Library of Congress Classification and/or
the LC Classification Additions and Changes. The hyphen (-) between
the two class numbers in a range of numbers may be generated based on the presence
of both subfields $a and $b.
Indicators
- First - Undefined
- Second - Source of classification number
- 4 - Assigned by agency other than LC
The MARC code for the organization is contained in subfield $5.
Subfield Codes
- $a - Classification number element--single number or beginning number of
span (NR)
- $b - Classification number element--ending number of span (NR)
- $c - Explanatory term (NR)
A phrase or term that specifies the topic of the classification number when
the heading is represented in more than one place in the classification schedules.
The parentheses that enclose the phrase or term may be generated for display.
- $5 - Institution to which field applies (R) See Control
Subfields
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
053 |
#0$aPS3557.R48998 |
053 |
#0$aBX8627 |
053 |
#0$aP301$cLinguistics |
053 |
#0$aE201$bE298 |
053 |
#0$aML1160$cHistory |
053 |
#0$aMT728$cInstruction and study |
053 |
#0$aBX850$bBX875$cDocuments |
053 |
#4$aHD1694.S6$5DI |
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The call number for a series assigned in Canada if the institution has classified
all of part of the series as a collected set. The second indicator values distinguish
between content actually assigned by the National Library of Canada and that
assigned by an organization other than NLC.
Indicators
- First - Undefined
- Second - Source of call number
- 4 - Assigned by agency other than NLC
Subfield Codes
- $a - Classification number (NR)
- $b - Item number (NR)
- $d - Volumes/dates to which call number applies (NR)
- $5 - Institution to which field applies (R) See Control
Subfields
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
055 |
#0$aF5499 H31$bA32 |
055 |
#4$aLC1046.13$bA4$5CaOON |
055 |
#0$aRS144 O5$bP73$d1970-1979 |
055 |
#0$aHB31$bE285 |
055 |
#0$aSD388$bF557 |
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A call number for a series when all or part of the series is classified as
a collected set or with the main series. The classification number is taken
from the National Library of Medicine Classification schedules QS-QZ
and W or from the Library of Congress Classification schedules as used
by NLM for peripheral and related topics.
Indicators
- First - Undefined
- Second - Source of call number
A value that indicates whether the call number has been assigned by the National
Library of Medicine or another organization.
- 4 - Assigned by agency other than NLM
The MARC code for the organization is contained in subfield $5.
Subfield Codes
- $a - Classification number (NR)
- $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.
- $d - Volumes/dates to which call number applies (NR)
A statement that is used only when the call number does not apply to all items
in the series. Applies to: may be generated for display.
- $5 - Institution to which field applies (R) See Control
Subfields
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
060 |
#0$aW1$bJO706M |
060 |
#4$aW1$bRI218$5CLU-M |
060 |
#0$aW1$bJO706M |
060 |
#0$aWO 700$bT776 |
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Contains a classification number assigned by a cataloging
agency using a scheme other than the Library of Congress Classification
scheme; the classification systems of the National Library of Canada, the National
Library of Medicine, the National Agricultural Library, the U.S. Government
Printing Office, and the U.S. Department of Defense. The field is not to be
used for classification numbers assigned from a source for which a subfield
$2 source of number code would not be assigned.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
Examples
065 |
##$aZ294.4-5g $2rubbk $5RuMoRGB |
065 |
##$aV152.2íà73 $2rubbk $5RuMoRGB |
065 |
##$aSh1v663.2 $2rubbk $5RuMoRGB |
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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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A call number assigned by the National Agricultural Library to a series when
all or part of the series is classified as a collected set or with the main
series.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
- $a - Classification number (NR)
- $b - Item number (NR)
- $d - Volume/dates to which call number applies (NR)
A statement that is used only when the call number does not apply to all items
in the series. Applies to: may be generated for display.
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
070 |
##$a99.8$bF76322 |
070 |
##$aQH545.AT6 |
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A code for the subject category that is associated with the 1XX field in an
established heading record or a node label record.
Indicators
- First - Undefined
- Second - Code source
- # - No information provided
The source of the code is the same as the subject heading system/thesaurus
identified in 008/11.
- 0 - NAL subject category code list
The source of the subject category code is AGRICOLA Subject Category
Codes with Scope Notes that is maintained by NAL.
- 7 - 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 category to which the heading belongs in a
hierarchically-arranged thesaurus.
- $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. Code from: MARC
Code Lists for Relators, Sources, Description Conventions
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
072 |
##$aC23. $x739. $x102 |
072 |
#0$aQ200 |
072 |
##$aL1. $x346. $x596.
$x463 |
072 |
##$aC4. $x697 |
072 |
##$aZ1. $x58. $x266.
$x513 |
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A code specifying the topical or geographic subject terms with which the 1XX
heading in a subdivision record may be used in a particular thesaurus.
Indicators
- First - Undefined
- Second - Undefined
Subfield Codes
Example
073 |
##$aE1$aE2$aE3$aE4$aE6$aE7$aN2$zmesh |
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A call number for a series when all or part of the series is classified as
a collected set or with the main series. The classification number is taken
from the Dewey Decimal Classification; the Abridged Dewey Decimal
Classification; and/or the DC&: Dewey Decimal Classification Additions,
Notes and Decisions.
Indicators
- First - Type of 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
Indicates that the source of the class/call number is not provided.
- 4 - Assigned by agency other than LC
Subfield Codes
- $a - Classification number (NR)
- $b - Item number (NR)
- $d - Volumes/dates to which call number applies (NR)
A statement that is used only when the call number does not apply to all items
in the series. Applies to: may be generated for display.
- $2 - Edition number (NR)
The number of the edition from which the class number is assigned. The abbreviation
dc that may precede the edition number may be generated for display.
- $5 - Institution to which field applies (R) See Control
Subfields
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
082 |
00$a780.92$221 |
082 |
10$a552$212 |
082 |
00$a345.73$221 |
082 |
00#a949.4$221 |
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A single Dewey classification number or a range of numbers associated with
a 1XX heading in an established heading record or a subdivision record. The
classification number is taken from the Dewey Decimal Classification and
Relative Index; the Abridged Dewey Decimal Classification and Relative
Index; and/or the DC&: Dewey Decimal Classification Additions, Notes
and Decisions. The hyphen (-) between the two class numbers in a range
of numbers may be generated based on the presence of both subfields $a and $b;
the parentheses that may enclose an explanatory term in subfield $c in an established
heading record; the abbreviation T before the table in subfield $z;
the dash (-) between the table number and the class number in subfields $z and
$a; and the abbreviation dc before the edition number in subfield $2
may be system generated for display.
Indicators
- First - Type of edition
- Second - Source of classification number
- 4 - Assigned by agency other than LC
Subfield Codes
- $a - Classification number element--single number or beginning number of
span (NR)
- $b - Classification number element--ending number of span (NR)
- $c - Explanatory term (NR)
A phrase or term that specifies the topic of the classification number when
the heading is represented in more than one place in the classification schedules.
The parentheses that enclose the phrase or term may be generated for display.
- $z - Table identification--table number (NR)
- $2 - Edition number (NR)
- $5 - Institution to which field applies (R) See Control
Subfields
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
083 |
00$a616.980213$220 |
083 |
00$a951$220 |
083 |
04$a411$220$5[organization
code] |
083 |
00$z2$a51$220 |
083 |
00$a940.5481$b940.5482$220 |
083 |
00$a549.23$cMineralogy$220 |
083 |
00$z4$a3$cLanguage dictionaries$220 |
083 |
04$a848.91409$cInterdisciplinary$220$5[organization
code] |
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A government document call number for a series when all or part of the series
is classified as a collected set or with a main series (646, Series Classification
Practice, subfield $a, code c or m). The organization assigning the number may
be identified in subfield $5.
Field 086 may also contain the volumes/dates to which the number applies. Varying
call numbers for different ranges of volumes/dates within a series or different
copies or sets are contained in separate occurrences of field 086.
Indicators
- First - Number source
- # - Source specified in subfield $2
- 0 - Superintendent of Documents Classification System
- 1 - Government of Canada Publications: Outline of Classification
- Second - Undefined
Subfield Codes
- $a - Call number (NR)
- $d - Volumes/dates to which call number applies (NR)
- $z - Canceled/invalid call number (NR)
- $2 - Number source (NR)
- $5 - Institution to which field applies (R) See Control
Subfields
- $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 |
1#$aCS13-211 |
086 |
##$aGM.40i5:$2ordocs |
086 |
##$aHEU/G74.4B1:$2ordocs |
086 |
##$aWR.4G91:$d1975-$2ordocs |
086 |
##$aA 1.1:$zA 1.1/3:984 |
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A single government document classification number or number stem or a number
span associated with a 1XX heading in an established heading record. The classification
number(s) may be qualified by explanatory information when the heading is represented
by more than one number in the same classification scheme.
Indicators
- First - Number source
- # - Source specified in subfield $2
- 0 - Superintendent of Documents Classification System
- 1 - Government of Canada Publications: Outline of Classification
- Second - Undefined
Subfield Codes
- $a - Classification number element--Single number or beginning number of
span (NR)
- $b - Classification number element--Ending number of span (NR)
- $c - Explanatory information (NR)
- $2 - Number source (NR)
- $6 - Linkage (NR) See Control
Subfields
- $8 - Field link and sequence number (R) See Control
Subfields
Examples
087 |
0#$aY 4.N 16 |
087 |
1#$aFs-85 |
087 |
##$aWR$c1987-$2ordocs |
087 |
0#$aHE 20.8216 |
087 |
##$aSTA 993$2nydocs |
087 |
1#$aFs-20$bFs-29 |
087 |
##$aY/G29/2$c1987-$2ordocs |
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The 090-099 fields are reserved for a locally-assigned call number for a series
when all or part of the series is classified as a collected set or with the
main series.
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