082 - Dewey Decimal Classification Number (R)
MARC 21 Bibliographic - Full
October 2003
First Indicator
Type of edition
0 - Full edition
1 - Abridged edition
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Second Indicator
Source of classification number
# - No information provided
0 - Assigned by LC
4 - Assigned by agency other than LC
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Subfield Codes
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$a - Classification number (R)
$b - Item number (NR)
$2 - Edition number (NR)
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$6 - Linkage (NR)
$8 - Field link and sequence number (R)
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FIELD DEFINITION AND SCOPE
Classification number is taken from Dewey Decimal Classification and Relative
Index, the Abridged Dewey Decimal Classification and Relative Index, and
electronic updates to either edition. Through 1997, updates where issued in
DC& Dewey Decimal Classification Additions, Notes and Decisions.
Second indicator values distinguish between content assigned by the Library of Congress
(LC) and content assigned by an organization other than LC.
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
■ INDICATORS
First Indicator - Type of edition Whether the classification number is from the full or the abridged edition of the
classification schedules. The actual edition number is contained in subfield
$2.
0 - Full edition Class number was taken from the full edition.
1 - Abridged edition Class number was taken from the abridged edition.
Second Indicator - Source of classification number Whether the source of the class number is the Library of Congress or another
organization.
# - No information provided No information is provided about the source of the class number.
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| 082 |
0#$aC848/.5407/05$220
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0 - Assigned by LC Source of the class number is the Library of Congress.May be used by organizations transcribing from LC copy.
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| 082 |
00$a975.5/4252/00222$222
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4 - Assigned by agency other than LC Source of the class number is an organization other than the Library of
Congress.
■ SUBFIELD CODES
$a - Classification number Classification number assigned using an edition of the Dewey Decimal
Classification. The source of the classification number is the Dewey Decimal
Classification and Relative Index, the Abridged Dewey Decimal
Classification and Relative Index and electronic updates to either
edition. Through 1997, updates were issued in DC&: Dewey Decimal
Classification Additions, Notes and Decisions.
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| 082 |
04$a343.7306/8$a347.30368$220
[The second number is optional] |
For DDC numbers for Canadian literature, an uppercase “C” is added as a prefix.
For works intended for a juvenile audience, a lowercase “j” is added as a prefix.
The “j” prefix is not added to DDC numbers in records for juvenile textbooks.
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| 082 |
0#$aC848$220
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| 082 |
0#$aj574$220
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| 082 |
0#$ajC813$220
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$b - Item number Item number portion of the number. This subfield may also contain a copy (or set)
number.
$2 - Edition number Number of the edition of the Dewey classification schedules from which the
classification was assigned. If numbers are assigned from more than one edition,
each number or range of numbers is contained in a separate 082 field.
$8 - Field link and sequence number
INPUT CONVENTIONS
Spacing - Lowercase "s" (for series) is separated from the number by one space.
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| 082 |
00$a920.073 s$a973.3/092$aB$222
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Display Constant
Square brackets enclosing a DDC number that appear on printed products are not carried
in the MARC record. They may be system generated as a display constant associated with
the field tag.
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Content designated field:
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| 082 |
00$a659.1 s$a659.1/57$222
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Display example:
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659.1 s [659.1/57] 22
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CONTENT DESIGNATOR HISTORY
Indicator 1 - Type of edition
# - No edition information recorded (BK, MU, VM, SE) [OBSOLETE]
Code # (No edition information recorded) was valid 1979-1987. Records created before
the definition of the first indicator in 1979 may contain a blank (#) meaning
undefined in this indicator position.
Indicator 1 - Type of edition
2 - Abridged NST version (BK, MU, VM, SE) [OBSOLETE]
This value was made obsolete in 1989. The U.S. Library of Congress discontinued
assigning class numbers from the abridged NST version to items included in New
Serial Titles as of 1981.
Indicator 2 - Source of classification number
# - No information provided (BK, CF, MU, VM, SE) [OBSOLETE] [USMARC only]
Code # (No information provided) was valid 1982-1987. Records created before the
definition of the second indicator in 1982 may contain a blank (#) meaning
undefined in this indicator position.
$a - Classification number
$b - DDC number-abridged NST version (SE) [OBSOLETE]
$b - Item number
Prior to 1975, the definitions of subfields $a and $b in the
serials specifications were reversed: $a (DDC number-abridged NST
version), $b (DDC number). This definition of subfield $b was
made obsolete when the first indicator and subfield $2 were defined in
1979. The current subfield $b was defined in 1987.