Library of Congress >> MARC >> Classification >> 76X

76X - Number Building Fields-General Information


MARC 21 Classification
October 2005

"Full" documentation refers to the MARC 21 Format for Classification Data that contains detailed descriptions of every data element, along with examples, input conventions and history sections.

"Concise" documentation refers to the MARC 21 Concise Format for Classification Data that contains abridged descriptions of every data element, along with examples.

761 - Add or Divide Like Instructions (R) Full | Concise
762 - Table Identification (R) Full | Concise
763 - Internal Subarrangement or Add Table Entry (R) Full | Concise
764 - Rule Identification (R) Full | Concise
765 - Synthesized Number Components (R) Full | Concise
766 - Secondary Table Information (R) Full | Concise
768 - Citation and Preference Order Instructions (R) Full | Concise

DEFINITION AND SCOPE

Number Building Fields provide instructions for building onto classification numbers from sources within the schedule and tables of the scheme identified in field 084 (Classification Scheme and Edition). Such fields are highly structured, and many are intended to assist the classifier in constructing classification numbers. The information in these fields is not written in a form adequate for public user display.

Footnotes containing instructions that apply to several classification numbers are converted to the appropriate 6XX or 76X field.


CONTENT DESIGNATOR HISTORY

Field 766 - Secondary Table Information [NEW, 2005]


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