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655  Index Term--Genre/Form (R)

       

Input Standards

Optional/Optional
1st Indicator  Type of heading
blank character Basic
0 Faceted
2nd Indicator  Thesaurus
0 Library of Congress Subject Headings
1 LC subject heading for children's literature
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 is specified in subfield ǂ2
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
ǂa Genre/form (NR) Mandatory/Mandatory
ǂb Non-focus term (R) Mandatory/Mandatory
ǂc Facet/hierarchy designation (R) Mandatory/Mandatory
ǂv Form subdivision (R) Required if applicable/Required if applicable
ǂx General subdivision (R) Required if applicable/Required if applicable
ǂy Chronological subdivision (R) Required if applicable/Required if applicable
ǂz Geographical subdivision (R) Required if applicable/Required if applicable
ǂ0 Authority record control number (R) Optional/Optional
ǂ2 Source of term (NR) Mandatory/Mandatory
ǂ3 Materials specified (NR) Optional/Optional
ǂ5 Institution to which field applies (NR) Optional/Optional
ǂ8 Field link and sequence number (R) Optional/Optional

Definition

A term indicating the form, genre, and/or physical characteristics of the materials being described. Genre terms for textual materials designate specific kinds of materials distinguished by the style or technique of their intellectual content (e.g., biographies, catechisms, essays, hymns, or reviews).

 

Form and physical characteristic terms designate functionally and historically specific kinds of materials. Distinguish terms by an examination of the physical character, by the order of information within the item, or by the subject of the intellectual content (e.g., daybooks, diaries, directories, journals, memoranda, questionnaires, syllabi, or time sheets).

Use field 655 for terms constructed from a faceted vocabulary. For each term in the field, give an identification as to the facet/hierarchy from the thesaurus used. In addition, give an identification as to which term is the focus term of the expression.

1st Indicator

Type of heading. The type of heading in the field.

 
blank character

Basic. The genre/form data is recorded in a single occurrence of subfield ǂa.

 
0

Faceted. Each genre/form term is recorded in a separate subfield ǂa or subfield ǂb. A subfield ǂc precedes each term in subfields ǂa and ǂb. Subfield ǂc denotes the facet/hierarchy of each term in a particular thesaurus.

2nd Indicator

Thesaurus. The thesaurus or subject heading system used in constructing the genre or form term.

Note: The previous practice for indicating the source of a genre heading was to use 2nd indicator value 7 (Source specified in subfield ǂ2) and identify the MARC code for the source list in subfield ǂ2. Under current practice, in addition to value 7, specific thesauri are now identified with 2nd indicator values. Prefer use of 2nd indicator values 0, 1, 2, 3, 5, or 6 when codes in subfield ǂ2 would convey the same information.  Prefer use of 2nd indicator value 4 instead of value 7 and subfield ǂ2 local.

 
0

Library of Congress Subject Headings. The formulation of the genre or form term conforms to the Library of Congress Subject Headings (LCSH).

 
1

LC subject heading for children's literature. The formulation of the genre or form term conforms to the "AC Subject Headings" section of Library of Congress Subject Headings.

 
2

Medical Subject Headings. The formulation of the genre or form term conforms to the National Library of Medicine (NLM) authority files.

 
3

National Agricultural Library subject authority file. The formulation of the genre or form term conforms to the National Agricultural Library (NAL) subject authority file.

 
4

Source not specified. The formulation of the genre or form term conforms to a controlled list, but the source cannot be specified by one of the thesaurus or subject heading systems covered by the other 2nd indicator values or by a code for a specific subject heading list in subfield ǂ2.

 
5

Canadian Subject Headings. The formulation of the genre or form term conforms to the Canadian Subject Headings maintained by Library and Archives Canada.

 
6

Répertoire de vedettes-matière. The formulation of the genre or form term conforms to the Répertoire de vedettes-matière maintained by the Bibliothèque de l'Université de Laval.

 
7

Source is specified in subfield ǂ2 . Genre or form terms based on other subject authorities (i.e., on authorities other than those listed here). Identify the source in subfield ǂ2.

Subfields

 
ǂa Genre/form

For basic headings, subfield ǂa consists of all form, genre, and physical characteristics data when the 1st indicator value is blank ( blank character ). For faceted headings, subfield ǂa consists of the focus term when the 1st indicator value is 0. A focus term is the concrete thing forming the basis of expression.

655   1 Alphabet books.
655   2 Review Literature.
655   3 Internet-resource.
655   4 Large print books.
655   5 Academic Dissertations.
655   6 Dessins animés télévisés.
655   7 Gampi fibers (Paper) ǂz Japan ǂy 1955. ǂ2 rbpap
655   7 Medical novels. ǂ2 gsafd
ǂb Non-focus term

A term other than that considered the focus in the faceted heading. Use with 1st indicator value 0.

655 0 7 ǂc d ǂb Black ǂc f ǂb Hmong ǂc m ǂb cotton ǂc k ǂb courtship ǂc t ǂa balls. ǂ2 aat
[Heading: Black Hmong cotton courtship balls]
ǂc Facet/hierarchy designation

A designation identifying the facet/hierarchy designation for each term found in subfields ǂa and ǂb. Use with 1st indicator value 0. The designations and their associated facets/hierarchies are found in the thesaurus identified in subfield ǂ2. Data in subfield ǂc always precedes the data to which it is associated.

655 0 7 ǂc k ǂb Laminated ǂc m ǂb marblewood ǂc v ǂa bust. ǂ2 aat
[Heading: Laminated marblewood bust]
ǂv Form subdivision

A specific kind or genre of material defined by the thesaurus being used. Use only when a form subject subdivision is added to a genre/form term. Use subfield ǂx if the terms function as general subdivisions. A form subdivision in subfield ǂv is generally the last subfield in the field. Repeat subfield ǂv if you use more than one form subdivision.

LTxt     a
655   0 Audiobooks ǂv Biography.
LitF     0
655   0 Fables ǂv Adaptations.
ǂx General subdivision

A subject subdivision that is not more appropriately contained in subfield ǂv, ǂy, or ǂz. Use subfield ǂx only when a topical subdivision is added to a genre/form term with a 1st indicator value of blank ( blank character ).

655   7 Dictionaries ǂx French ǂy 18th century. ǂ2 rbgenr
ǂy Chronological subdivision

A subject subdivision that represents a period of time. Use only when a chronological subject subdivision is added to a term.

655   7 Competition drawings ǂy 1984. ǂ2 rbgenr
ǂz Geographical subdivision

A geographic subject subdivision. Use only when a geographic subject subdivision is added to a main term.

655   4 Fan magazines ǂz United States ǂy 20th century.
655   7 Signing patterns (Printing) ǂz Germany ǂy 18th century. ǂ2 rbpri
ǂ0 Authority record control number

For information about subfield ǂ0, see Control Subfields.

ǂ2 Source of term

A MARC code that identifies the source list from which the index term was assigned. Use only when the 2nd indicator value is 7. See Genre/Form Code and Term Source Codes (http://www.loc.gov/standards/sourcelist/genre-form.html).

655   7 Lithographs ǂz Germany ǂy 1902. ǂ2 gmgpc
655   7 Image. ǂ2 dct
655   7 Native American newspapers ǂz Washington (State) ǂ2 ngl
655   7 Sudokun. ǂ2 saogf
ǂ3 Materials specified

For information about subfield ǂ3, see Control Subfields.

655   0 ǂ3 Accompanying DVD: ǂa Oral histories.
655   7 ǂ3 Portraits of Eri B. Hulbert and Mary Louisa Hulbert: ǂa Photoprints. ǂ2 gmgpc
ǂ5 Institution to which field applies

For information about subfield ǂ5, see Control Subfields.

655   7 Annotations (Provenance) ǂz Sweden ǂy 18th century. ǂ2 rbprov ǂ5 MH-H
ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.

This page last revised: August 23, 2016