| First Indicator | Second Indicator |
|---|---|
| Type of standard number or code 7 - Source specified in subfield $2 8 - Unspecified type of standard number or code |
Undefined # - Undefined |
| Subfield Codes | |
|---|---|
|
|
Standard number or code associated with the entity named in the 1XX field which cannot be accommodated in another field (e.g., fields 020 (International Standard Book Number) and 022 (International Standard Serial Number)). The source of the standard number or code is identified in subfield $2 (Source of number or code).
Subfields in this field are defined for consistency with field 024 in the MARC 21 Format for Bibliographic Data.
First Indicator - Type of standard number or code
Second Indicator - Undefined
Contains a blank (#).
$a - Standard number or code
$c - Terms of availability
Terms of availability and/or qualifying information about availability.
$d - Additional codes following the standard number or code
Any optional digits carried to the right of the number or code.
$q - Qualifying information
A brief statement of qualifying information concerning the item associated with a number being recorded in subfield $a or subfield $z.
$z - Canceled/invalid standard number or code
If a valid number or code of the same type is not known, subfield $z may appear alone in field 024.
$2 - Source of number or code
MARC code that identifies the source of the number or code. Used only when the first indicator contains value 7 (Source specified in subfield $2). Code from: Standard Identifier Source Codes.
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.
| 024 | 7#$aT-345246800-1$2iswc | ||||||||
| 024 | 7#$a0A9-2002-12B4A105-6$2istc | ||||||||
| 024 | 7#$a0000000121491740$2isni [ISNI for Ruth Rendell] | ||||||||
Qualifying Information - In displays, qualifying information may be enclosed in parentheses.
Structure - Other Standard Identifiers are unique, permanent and internationally recognized alphanumeric codes used to identify entities. The codes may be defined by the ISO (International Organization for Standardization) and assigned by designated agencies. Some examples of these identifiers include the ISTC (International Standard Text Code), the ISWC (International Standard Musical Work Code), and the ISAN (International Standard Audiovisual Number). The structure of these numbers is determined by the agencies formulating them.