Library of Congress >> MARC >> Holdings >> 6XX  >> 655

655 - Index Term-Genre/Form (R)


MARC 21 Holdings - concise
December 2025

Terms indicating the genre, form, and/or physical characteristics of the materials being described. A genre term designates the style or technique of the intellectual content of textual materials or, for graphic materials, aspects such as vantage point, intended purpose, characteristics of the creator, publication status, or method of representation. A form term designates historically and functionally specific kinds of materials distinguished by their physical character, the subject of their intellectual content, or the order of information within them. Physical characteristic terms designate historically and functionally specific kinds of materials as distinguished by an examination of their physical character, subject of their intellectual content, or the order of information with them.

Indicators

First - Type of heading
# - Basic
0 - Faceted
Second - Thesaurus
0 - Library of Congress Subject Headings
1 - Library of Congress Children's and Young Adults' Subject Headings
2 - Medical Subject Headings
3 - National Agricultural Library subject authority file
4 - Source not specified
5 - Canadian Subject Headings
6 - Répertoire de vedettes-matière
7 - Source specified in subfield $2

Subfield Codes

$a - Genre/form data or focus term (NR)
$b - Non-focus term (R)
$c - Facet/hierarchy designation (R)
$v - Form subdivision (R)
$x - General subdivision (R)
$y - Chronological subdivision (R)
$z - Geographic subdivision (R)
$0 - Authority record control number or standard number (R)
See description of this subfield in Appendix A: Control Subfields.
$1 - Real World Object URI (R)
See description of this subfield in Appendix A: Control Subfields.
$2 - Source of term (NR)
MARC code that identifies the source list from which the index term was assigned. It is used only when the second indicator position contains value 7 (Source specified in subfield $2). Code from: Genre/Form Code and Term Source Codes.
$3 - Materials specified (NR)
$6 - Linkage (NR)
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.

Examples

655 #7$aExtra-illustrated copies.$2rbmscv$0http://id.loc.gov/vocabulary/rbmscv/cv00241
655 07$co$aarmorial bindings$ck$bgold tooling$cm$bgoatskin$2aat
655 #7$3Copy 2:$aArmorial bookplates.$2gmgpc$0http://id.loc.gov/vocabulary/graphicMaterials/tgm000489
655 #7$3No. 3:$aAnnotations.$2rbmscv$0http://id.loc.gov/vocabulary/rbmscv/cv00102
655 #7$3Plates 1-3,6:$aHand coloring.$2aat$0http://vocab.getty.edu/aat/300133555

Library of Congress >> MARC >> Holdings >> 6XX  >> 655
(12/17/2025)
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