Library of Congress >> MARC >> Community Information >> 01X-08X  >> 082

082 - Dewey Decimal Classification Number (R)


MARC 21 Community Information - full
June 2024

First Indicator Second Indicator
Type of edition
0 - Full edition
1 - Abridged edition
7 - Other edition specified in subfield $2

Source of call number
# - No information provided
0 - Assigned by LC
4 - Assigned by agency other than LC


Subfield Codes
  • $a - Classification number (R)
  • $b - Item number (NR)
  • $m - Standard or optional designation (NR)
  • $q - Assigning agency (NR)
  • $0 - Authority record control number or standard number (R)
  • $1 - Real World Object URI (R)
  • $2 - Edition information (NR)
  • $6 - Linkage (NR)
  • $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Classification number that is assigned from the Dewey Decimal Classification, accessed through electronic or printed versions.


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

INDICATORS

First Indicator - Type of edition

Indicates the edition from which the Dewey Decimal classification is taken.

0 - Full edition

Class number was taken from the full edition.

110 2#$aAlcoholics Anonymous.
082 04$a362.29286$220
1 - Abridged edition

Class number was taken from the abridged edition.

110 2#$aBulimia Self-Help Group.
082 14$a362.2$212
7 - Other edition specified in subfield $2

The edition is specified in subfield $2 (Edition information).

082 74$a839.82$25/nor/20071204$qNO-OsNB

Second Indicator - Source of call number

Value that indicates whether the source of the class number is the Library of Congress or another organization.

# - No information provided

No information is provided about the source of the class number.

0 - Assigned by LC

Source of the class number is the Library of Congress. Also used by organizations transcribing from LC copy.

4 - Assigned by agency other than LC

Source of the class number is an organization other than the Library of Congress.

110 2#$aWasatch Front Road Runners.
082 04$a613.71720607922$220

SUBFIELD CODES

$a - Classification number

110 2#$aBarnett Child Care Center.
082 04$a362.7120975442$220

$b - Item number

Item number portion of a call number.

$m - Standard or optional designation

Whether the classification number contained in the field is from the standard or optional part of the schedules or tables of the scheme identified by the first indicator (Type of edition) and by subfield $2 (Edition information). The following codes are used: a (standard) and b (optional).

082 00$a345.73/0772$220$ma
082 00$a347.305772$220$mb

$q - Assigning agency

MARC organization code of the institution that assigned the classification number.

Code from: MARC Code List for Organizations.

082 04$a004$222/ger$qDE-101b

$0 - Authority record control number or standard number

See description of this subfield in Appendix A: Control Subfields.

$1 - Real World Object URI

See description of this subfield in Appendix A: Control Subfields.

$2 - Edition information

Information on the edition from which the DDC number was assigned. If DDC numbers are assigned from more than one edition, each DDC number or range of numbers is contained in a separate 082 field. If the DDC number is assigned from a printed version, record edition number (use “23” for print-on-demand), a slash (/), the language of the edition, a slash (/), and the year of publication or printing. If a DDC number is assigned from an electronic version, record edition number (use “23” or “22” for WebDewey, as appropriate), a slash (/), the language of the edition, a slash (/), and the date on which the DDC number was assigned by the cataloger. Languages are recorded according to the three-character codes in the MARC Code List for Languages. Dates are recorded according to Representation of Dates and Times (ISO 8601) in the pattern yyyymmdd.

082 00$a338.1/7$223/eng/20190402

$6 - Linkage

See the description of this subfield in Appendix A: Control Subfields.

$8 - Field link and sequence number

See the description of this subfield in Appendix A: Control Subfields.


CONTENT DESIGNATOR HISTORY

Indicator 1 - Type of edition
7 - Other edition specified in subfield $2 [NEW, 2011]
$m - Standard or optional designation [NEW, 2008]
$q - Assigning agency [NEW, 2008]
$0 - Authority record control number or standard number [NEW, 2024]
$1 - Real World Object URI [NEW, 2024]
$2 - Edition number [RENAMED, 2021] [REDESCRIBED, 2021]

Library of Congress >> MARC >> Community Information >> 01X-08X  >> 082
(06/07/2024)
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