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080  Universal Decimal Classification Number (R)

Input Standards

Optional/Optional
1st Indicator  Type of edition
blank character No information provided
0 Full
1 Abridged
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
‡a Universal Decimal Classification number (NR) Mandatory/Mandatory
‡b Item number (NR) Optional/Optional
‡x Common auxiliary subdivision (R) Optional/Optional
‡2 Edition identifier (NR) Required if applicable/Required if applicable

Definition

Number taken from the Universal Decimal Classification (UDC) scheme. The Universal Decimal Classification was developed from the Dewey Decimal Classification (DDC) scheme beginning in 1895. Since then, the two systems have become very different in arrangement and philosophy. Repeat field 080 to record multiple UDC numbers assigned to an item.

1st 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.

 
blank character

No information provided.

 
0

Full. Class number is from a full edition.

 
1

Abridged. Class number is from an abridged edition.

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank ( blank character ).

blank character

Undefined

Subfields

 
‡a Universal Decimal Classification number

The UDC number.

080     971.1/.2
080     62-045.43(082.1)(06)
080     821.134.2-1.09"12/14"(045)
‡b Item number

The item number portion of the UDC number. An item number is a Cutter, date, term, etc., added to a UDC number to distinguish items assigned the same classification number.

080     336.76 ‡b N24d
‡x Common auxiliary subdivision

The number that qualifies the concept represented by the main UDC number. A common auxiliary subdivision, such as for form (e.g., dictionaries) is attached to a main UDC number preceded or delimited by a facet indicator. Commonly used facet indicators are parentheses, brackets, apostrophes, and hyphens.

080     659.148:656.05:364.272: ‡x (072)(086.8)
‡2 Edition identifier

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

Indexing

For indexing and searching information, see Searching WorldCat Indexes, field 080.

Printing

Field 080 does not print. Use field 098 to print UDC numbers.

This page last revised: March 31, 2014