Library of Congress >> MARC >> Authority >> 1XX,3XX  >> 155

155 - Heading-Genre/Form Term (NR)


MARC 21 Authority - full
July 2022

First Indicator Second Indicator
Undefined
# - Undefined

Undefined
# - Undefined


Subfield Codes
  • $a - Genre/form term (NR)
  • $v - Form subdivision (R)
  • $x - General subdivision (R)
  • $y - Chronological subdivision (R)
  • $z - Geographic subdivision (R)
  • $6 - Linkage (NR)
  • $7 - Data provenance (R)
  • $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Genre or form term used as a heading in an established heading record, an established heading and subdivision record, a traced or an untraced reference record, or a reference and subdivision record. The term may consist of more than one word.

In an established heading record, field 155 contains the established form of a genre/form term. In records for references, this field contains an unestablished form of a genre/form term. The term may consist of more than one word.


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Guidelines for applying the content designators defined for field 155 and input conventions are given in the X55 Genre/Form terms-General Information section.

EXAMPLES

155 ##$aBird's-eye views$y1874
155 ##$aCartoons$y1952
155 ##$aDictionaries$xFrench$y18th century
155 ##$aCompetition drawings$y1984
155 ##$aPhotographs$vPeriodicals
155 ##$aHymnals$zMassachusetts$y18th century
155 ##$aAgenda$xWeekly$y1980-1985

Library of Congress >> MARC >> Authority >> 1XX,3XX  >> 155
(07/07/2022)
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