Field definition and scope:

Field 380 contains a class or genre to which a work belongs.  The field may be used to differentiate a work from another work with the same title.

Multiple forms of work from the same source vocabulary may be recorded in the same field in separate occurrences of subfield $a (Form of work).  Terms from different source vocabularies are recorded in separate occurrences of the field.

The National level record requirement for this field is Optional.

Field 380 is repeatable.

Guidelines for applying content designators:

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

Position

Description

NLR

MLR

Repeatability

Field 380

Form of Work

O

O

R

Indicator:

 

 

 

 

First

Undefined; contains a blank

M

 

 

Second

Undefined; contains a blank

M

 

 

 

 

 

 

 

Subfield code:

 

 

 

 

$a

Form of work

M

O

NR

$0

Authority record control number or standard number

A

O

R

$1

Real World Object URI

 

 

R

$2

Source of term

A

O

NR

$3

Materials specified

 

 

NR

$6

Linkage

A

O

NR

$8

Field link and sequence number

O

O

R

Content designator history:

Field 380 - Form of Work  [new, 2010]

Subfield $0 - Record control number  [redefined, 2010]

Subfield $1 - Real World Object URI  [new, 2017]

Subfield $3 - Materials specified  [new, 2018]

Related MARC fields or documents:

RDA in MARC Bibliographic Data

Source Codes for Vocabularies, Rules, and Schemes:

Subject Heading and Term Source Codes

See also:

3XX  Physical Description, Etc. Fields

Variable Data Fields