082 - Dewey Decimal Classification Number (R)
MARC 21 Bibliographic - Full
October 2008
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)
$m - Standard or optional designation
(NR)
$q - Assigning agency (NR) |
$2 - Edition number (NR)
$6 - Linkage (NR)
$8 - Field link and sequence number (R) |
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
Designates whether the classification
number is from the full or the abridged edition of the classification schedules. The actual edition number is contained in subfield $2.
0 - Full edition
Class number was taken from the full
edition.
1 - Abridged edition
Class number was taken from the abridged
edition.
Second Indicator - Source of
classification number
Designates whether the source of the class number
is the Library of Congress or another organization.
# - No information
provided
No information is provided about the
source of the class number.
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082 |
0#$aC848/.5407/05$220 |
0 - Assigned by LC
Source of the class number is the
Library of Congress.May be used by organizations transcribing
from LC copy.
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082 |
00$a975.5/4252/00222$222 |
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 |
$b - Item number
Item number portion of the number. This
subfield may also contain a copy (or set) number.
$m - Standard or optional
designation
Designates 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 $2 (Edition number).
The following codes are used: a (standard) and b
(optional).
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082 |
00$a345.73/0772$220
$ma |
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082 |
00$a347.305772$220
$mb |
$q - Assigning agency
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082 |
04$a004$222/ger
$qDE-101b |
$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$222 |
Display Constant
Square brackets enclosing a DDC number that appear on printed
products are not carried in the MARC record. They may be system
generated as a display constant associated with the field tag.
659.1 s [659.1/57] 22
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Content designated field:
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082 |
00$a659.1
s$a659.1/57$222 |
Standard or optional
designation - If subfield $m is present, only one
subfield $a should be coded, unless the value in subfield $m
applies to all numbers in repeated occurrences of subfield $a.
Otherwise, the field is repeated.
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 [OBSOLETE] [USMARC only, BK, CF,
MU, VM, SE]
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.
$m - Standard or optional designation
[NEW, 2008]
$q - Assigning agency [NEW,
2008]