Library of Congress >> MARC >> Bibliographic >> 01X-09X  >> 023

023 - Cluster ISSN (R)

MARC 21 Bibliographic - concise
December 2023

Field to record the Cluster ISSN, a mechanism first defined in ISO 3297:2020 to provide for the identification of specific groups of ISSN (International Standard Serial Number), such as the various medium editions of a continuing resource, or serials related by preceding and succeeding title relationships.

Indicators

First - Type of Cluster ISSN
0 - ISSN-L
1 - ISSN-H
Second - Undefined
# - Undefined

Subfield Codes

$a - Cluster ISSN (NR)
As designated by the ISSN International Centre, Cluster ISSNs group together resources with specific relationships to each other such as medium versions (ISSN-L), and clusters such as earlier and later titles (ISSN-H). The appropriate prefix for the ISSN type denoted by the first indicator value may be generated for display, for value 0: ISSN-L; for value 1: ISSN-H.
$y - Incorrect Cluster ISSN (R)
$0 - Authority record control number or standard number (NR)
A URI for the Cluster ISSN in subfield $a.
See description of this subfield in Appendix A: Control Subfields.
$1 - Real World Object URI (R)
See description of this subfield in Appendix A: Control Subfields.
$2 - Source (NR)
Code from: ISSN Manual, Annex 3: List of ISSN Centre codes [PDF, 199 KB].
$6 - Linkage (NR)
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.

Examples

023 0#$a0028-0836$20
023 0#$a1063-3928$20
023 1#$a9999-9999$20
023 0#$a0151-4105$20$y0048-7996
023 0#$a 1043-0253$20$z0147-8745
Library of Congress >> MARC >> Bibliographic >> 01X-09X  >> 023
(12/07/2023)
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