Library of Congress >> MARC >> Holdings >> 3XX, 5XX, 84X >> 337

337 - Media Type (R)


MARC 21 Holdings - Full
October 2009

First Indicator
Undefined
# - Undefined

Second Indicator
Undefined
# - Undefined


Subfield Codes
$a - Media type term (R)
$b - Media type code (R)
$2 - Source (NR)
$3 - Materials specified (NR)
$6 - Linkage (NR)
$8 - Field link and sequence number (R)


FIELD DEFINITION AND SCOPE

Media type reflects the general type of intermediation device required to view, play, run, etc., the content of a resource. Used as an alternative to or in addition to the coded expression of Media type in field 007/00 (Category of material). Field 337 information enables indication of more specific media types and media types from various lists.

Multiple media types from the same source vocabulary or code list may be recorded in the same field in separate occurrences of subfield $a (Media type term) and subfield $b (Media type code). Terms from different source vocabularies are recorded in separate occurrences of the field.


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

INDICATORS

SUBFIELD CODES

$a - Media type term
Term for the category of media used to convey the content of the resource.
337 ##$aaudio$2rdamedia
337 ##$avideo$bv$2rdamedia
$b - Media type code
Code for the category of media used to convey the content of the resource.
337 ##$bs$2rdamedia
337 ##$bn$2rdamedia$3liner notes
$2 - Source
MARC code that identifies the source of the term or code used to record the media type information.
337 ##$bv$2rdamedia
$3 - Materials specified
Part of the described materials to which the field applies.
337 ##$aunmediated$2rdamedia$3liner notes
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.

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