Library of Congress >> MARC >> Authority >> 01X-09X >> 080

080 - Universal Decimal Classification Number (R)

MARC 21 Authority - Full

October 2009

First Indicator
Type of edition
# - No information provided
0 - Full
1 - Abridged

Second Indicator
Undefined
# - Undefined


Subfield Codes
$a - Universal Decimal Classification number (NR) $b - Item number (NR) $x - Common auxiliary subdivision (R)	$2 - Edition identifier (NR) $6 - Linkage (NR) $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Classification number associated with a 1XX heading in an established heading record. Number is taken from the Universal Decimal Classification scheme.

GUIDELINES FOR APPLYING CONTENT DESIGNATORS

■ INDICATORS

First Indicator - Type of edition

Whether the class number is from the full or the abridged edition of the classification schedules. The actual edition number is contained in subfield $2.

# - No information provided

0 - Full

Class number is from a full edition.

1 - Abridged

Class number is from an abridged edition.

Second Indicator - Undefined

Undefined and contains a blank (#).

■ SUBFIELD CODES

$a - Universal Decimal Classification number


080	##$a001.81$2[edition information]
080	##$a971.1/.2
080	##$a631.321:631.411.3 $2[edition information]

$b - Item number

Item number portion of the UDC number.

$x - Common auxiliary subdivision

Number that qualifies the concept represented by the main UDC number.

Common auxiliary subdivisions, such as those for form (e.g., dictionaries), are attached to a main UDC number preceded or delimited by some kind of facet indicator. Examples of commonly used subdivision delimiters are parentheses, brackets, an apostrophe, or a hyphen.


080	##$a821.113.1$x(494) $2[edition information]
080	##$a94$x(474) $x"19"$x(075)$2[edition information]


150	##$aArte prerrománico$zAsturias (Comunidad Autónoma)
080	0#$a7.033.4$x(460.12) $22000


150	##$aDiagnástico por imagen
080	0#$a616$x073.7 $22000

$2 - Edition identifier

Edition number, date, or other textual designation of the edition of UDC used to compose the classification number.


080	##$a82:111.852 $21993
080	##$a821.113.4-14 $21998


150	##$aSistemas de telecomunicación
080	0#$a621.39$22000


150	##$aMadrid
080	0#$a(460.27M.) $22000

$6 - Linkage

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

$8 - Field link and sequence number

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

Library of Congress >> MARC >> Authority >> 01X-09X >> 080

(11/12/2009)