MARC 21 Fields in Which Codes Are Used (Introduction)
Language codes are used in the following MARC 21 fields:
Bibliographic records:
008/35-37 Fixed-Length Data Elements / Language
040 $b Cataloging Source (Language of cataloging)
242 $y Translation of Title by Cataloging Agency (Language code of translated title)
775 $e Other Edition Entry (Language code)
Authority records:
040 $b Cataloging Source (Language of cataloging)
Holdings records:
008/22-24 Fixed-Length Data Elements / Language
040 $b Record Source (Language of cataloging)
Classification records:
040 $b Record Source (Language of cataloging)
084 $e Classification Scheme and Edition (Language code)
Community Information records:
008/12-14 Fixed-Length Data Elements / Language
040 $b Record Source (Language code)
The appropriate format document should be consulted for specific instructions on the use of language codes in these fields and subfields.
See also: