Cataloging. General Materials Designation

The General Materials Designation [GMD] is assigned to nonbook items to indicate the form of the item, videotape, computer software, etc. The GMD forms part of the title information on the MARC record. GMD terminology is standardized as discussed below.

GMD

Type of Item
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[videorecording] Videocassettes, videodisc
[sound recording] Music cds, records, cassettes, recordings
[microform] Microfilm, microfiche
[computer file] Computer software, nonmusic CD-ROM
[filmstrip] Filmstrips
[map] Maps
[Art Original] Original art created by an artist, sculptor, etc.
[Art Reproduction] Reproductions of art works.
[Game] Games including electronic games.
[Kit] Contain different types of materials, including different forms of media. No item is outstanding.
[Realia] Real things not covered elsewhere.
[Model] 3-D item which is a model of a real thing

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