COMARC/A Format for Authorities Data

PDFCOMARC/ADecember2024

822 Corresponding data in other systems

This field contains information on corresponding data in other systems and enables interoperability between systems (such as subject systems, geographical databases, genre/form classifications, etc.).

Subfields & repeatability

FIELD/SUBFIELDREPEATABILITY
822Corresponding data in other systemsr
aData in another systemnr
dDate of accessnr
2System codenr
3Record numbernr

Indicators

INDICATORVALUEMEANING
1Not defined
2Type of relationship
2Exact match

The indicator signifies the type of relationship between the access point and corresponding data in other systems.

SUBFIELDS

Subfields 2 and 3 are described in the Control Subfields chapter.

822a Data in another system

Data in another system (e.g., subject system, geographical database, etc.) that corresponds to the access point.

822d Date of access

The date when the corresponding data was found in another system.

NOTES ON FIELD CONTENTS

This field is applicable to any type of access point.

RELATED FIELDS

2XXAUTHORIZED ACCESS POINT BLOCK
4XXVARIANT ACCESS POINT BLOCK
5XXRELATED ACCESS POINT BLOCK
7XXAUTHORIZED ACCESS POINT IN OTHER LANGUAGE AND/OR SCRIPT BLOCK

EXAMPLES

  1. *

    152⊔⊔bsgc
    200⊔19slv aEdison bThomas Alva f1847-1931
    822⊔22CONOR 3103012451 aEdison, Thomas Alva, 1847–1931 d20240724
    (Record from the General List of Subject Headings (SGC). In subfield 8223, the ID of the authority record for the inventor Edison in the CONOR database is entered, and in subfield d, the date when we found the data is entered.)
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