Library of Congress >> MARC >> Bibliographic >> 3XX  >> 341

341 - Accessibility Content (R)


MARC 21 Bibliographic - full
June 2024

First Indicator Second Indicator
Application
# - No information provided
0 - Adaptive features to access primary content
1 - Adaptive features to access secondary content

Undefined
# - Undefined


Subfield Codes
  • $a - Content access mode (NR)
  • $b - Textual assistive features (R)
  • $c - Visual assistive features (R)
  • $d - Auditory assistive features (R)
  • $e - Tactile assistive features (R)
  • $0 - Authority record control number or standard number (R)
  • $1 - Real World Object URI (R)
  • $2 - Source (NR)
  • $3 - Materials specified (NR)
  • $6 - Linkage (NR)
  • $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Information about modes of access to the content of a resource, including its primary mode of access and alternative mode(s) of access or accessibility features.


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

INDICATORS

First Indicator - Application

# - No information provided

0 - Adaptive features to access primary content

Adaptive features to access primary content of a resource.

1 - Adaptive features to access secondary content

Adaptive features to access secondary content of a resource.

Second Indicator - Undefined

Undefined and contains a blank (#).

SUBFIELD CODES

$a - Content access mode

Mode required to access the content of the resource without using assistive features (for example, textual, visual, auditory, tactile, mathOnVisual).

341 0#$aauditory
341 0#$amathOnVisual$bdescribedMath$2sapdv
341 0#$avisuel$dvidéodescription

$b - Textual assistive features

Textual assistive features and adaptations to access the content of the resource.

341 0#$aauditory$bclosedCaptions$2sapdv
341 0#$atextual$bprintPageNumbers$bstructuralNavigation$btableOfContents$2sapdv

$c - Visual assistive features

Visual assistive features and adaptations to access the content of the resource.

341 0#$aauditory$csignLanguage$2sapdv

$d - Auditory assistive features

Auditory assistive features and adaptations to access the content of the resource.

341 0#$avisual$daudioDescription$2sapdv

$e - Tactile assistive features

Tactile assistive features and adaptations to access the content of the resource.

341 1#$3Container labels$atextual$ebraille$2sapdv

$0 - Authority record control number or standard number

See description of this subfield in Appendix A: Control Subfields.

$1 - Real World Object URI

See description of this subfield in Appendix A: Control Subfields.

$2 - Source

Identification of the source of terms when they are from a controlled list.

Code from: Accessibility Content Source Codes.

$3 - Materials specified

Part of the described materials to which the field applies.

341 1#$3Accompanying audio CD$aauditory$btranscript$2sapdv

$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.


CONTENT DESIGNATOR HISTORY

Field 341 - Accessibility Content [NEW, 2018]
Field 341 - Accessibility Content [REDESCRIBED, 2024]
Field definition and scope was broadened in order to accommodate the recording of all accessibility features of a resource. The change also applies to the definitions of subfields $a and $2.

$0 - Authority record control number or standard number [NEW, 2024]
$1 - Real World Object URI [NEW, 2024]

Library of Congress >> MARC >> Bibliographic >> 3XX  >> 341
(06/07/2024)
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