This list includes terms that describe general categories, or genres that may be applied to various types of information resources. It has been compiled from controlled lists of values in various data elements in the MARC 21 bibliographic format. In some cases there are slight revisions to the term (e.g. "Updating Web site" in 008/21CR is listed as "Web site" to be more generic; "essays" in 008/33BK is listed as "essay" to agree with other values).
The following are MARC data elements that have controlled values that are contained on the list:
Data element Description of data element Material type 008/21 Type of continuing resource Continuing resources 008/24 Nature of contents Books, Continuing resources 008/25 Type of cartographic material Maps 008/26 Type of computer file Computer files 008/28 Government publication Books, Computer files, Continuing resources, Maps, Visual materials 008/29 Conference publication Books, Continuing resources 008/30 Festschrift Books 008/30-31 Literary text for sound recordings Music 008/33 Literary form Books 008/33 Type of visual material Visual Materials 008/34 Biography Books 007/01 Specific material designation Maps The MARC to MODS mapping provides a correspondence between specific MARC codes and terms on the list below.
The Library of Congress is the maintenance agency for the value list in this document. Questions and requests for information should be sent to: Network Development and MARC Standards Office, Library of Congress, 101 Independence Avenue, S.E., Washington, DC 20540-4402; Fax: +1-202-707-0115; Internet: ndmso@loc.gov. Requests for additions to the value list should include a justification for the item to be added.
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