Field definition and scope:

Field 336 contains the form of communication through which a work is expressed.  Field 336 information enables expression of content types from various lists when the authority is for a title or name/title.

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

The National level record requirement for this field is Optional.

Field 336 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, National level (NLR) record requirements, and designator repeatability, see table below:

Position

Description

NLR

Repeatability

Field 336

Content Type

O

R

Indicator:

 

 

 

First

Undefined; contains a blank

M

 

Second

Undefined; contains a blank

M

 

 

 

 

 

Subfield code:

 

 

 

$a

Content type term

M

R

$b

Content type code

M

R

$0

Authority record control number or standard number

 

R

$2

Source

M

NR

$3

Materials specified

O

NR

$6

Linkage

A

NR

$8

Field link and sequence number

O

R

Content designator history:

Field 336 - Content Type  [new, 2009]

Subfield $0 - Authority record control number or standard number  [new, 2015]

LC Guidelines:

 336  Content Type

DCM Z1 Instructions:

 336  Content Type

Related MARC fields or documents:

RDA in MARC Authority Data

Source Codes for Vocabularies, Rules, and Schemes:

Genre/Form Code and Term Source Codes

Value Lists for Codes and Controlled Vocabularies:

Term and Code List for RDA Content Types

See also:

1XX, 3XX  Headings

Variable Data Fields