Genre and form

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Genre/form terms in catalog records describe what an item is (or contains), not what it is about. Genre corresponds roughly to the content of what is being described: for example, almanacs, depositions, plays, and poems. Form corresponds with formats and physical characteristics: for example, embroidered bindings, imposition errors, manicules, and sammelbands. This Hamnet record for two copies of a 1635 edition of Sternhold and Hopkins Whole booke of Psalmes includes the genre term Psalters and the form term Embroidered bindings (Binding). Genre/form terms are controlled by authorized forms.

Brief history of genre/form in library catalog records

Due to the limits of the card catalog, genre and form terms were not systematically recorded by early catalogers. Shelflist cards - usually 3" x 5" index cards - did not have much room anything besides title, author, and publication information, and maybe a few subject headings or free-text notes. Libraries often maintained separate card catalogues for books, manuscripts, and other materials, which decreased the need for additional genre access.

The advent of the MARC standard, however, allowed librarians to expand their item descriptions: catalogers could add as much descriptive information as needed to fully describe a book (or at least, they were constrained by computer processing power rather than the dimensions of the catalog card). The original MARC specification did not include a specific field for genre and/or form terms, but two were added during the 1980s: 655 (Index Term--Genre/Form) and 755 (Added Entry--Physical Characteristics). Due to some confusion over how these two fields were indexed, and how to differentiate which information went in which, the 755 field was officially made obsolete in 1995 in favor of the 655 field, which is still in use today.

Controlled vocabularies for genre and form terms

Genre and form entries benefit especially from the use of controlled vocabularies, enabling librarians and scholars to to describe and find resources via a shared language. By using controlled vocabularies, a user can assume that when they search for "Embroidered bindings," they will get similar types of results no matter which library catalog they are searching in. Librarians can choose from a range of controlled vocabularies, many of which are specialized for particular fields, when cataloging their materials.

LCSH

The Library of Congress Subject Headings (LCSH) is a controlled vocabulary set that was developed in 1898 (and has been regularly updated since) to be used broadly across many types of libraries. However, they are were originally meant for use only as subject headings, not genre terms; in other words, they describe what an item is about (dinosaurs, jewel heists), not what genre it belongs to (short stories, horror movies) or what form it takes (carousel books, calendars).

As libraries began to provide additional access to genre and form information, the subfield ‡v was added to the MARC standard in 1995 to adapt subject heading fields for genre and form access as well. For instance:

600 10 ‡a Shakespeare, William, ‡d 1564-1616

tells a user that an item is about William Shakespeare, but nothing more. In comparison,

600 10 ‡a Shakespeare, William, ‡d 1564-1616 ‡v Calendars  

tells the user that the item is about Shakespeare, and it is in the form of a calendar. A popular term in the $v subdivision is Specimens, which can be used to adapt most noun-based subject headings into genre or form headings (i.e. 650 _0 ‡a Swords ‡v Specimens or 650 _0 ‡a Crows ‡v Specimens).

Genre and form use at the Folger

List of common genre and form terms in Hamnet

Term	Scope note	Folger practice	Link
Judicial records. ǂ2 aat	Records of a tribunal established for the administration of justice.	Use for Court rolls, Writs	AAT
Court rolls use Judicial records
Writs use Judicial records
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