| Associated with MARC 21 |
| Associated with MARC DTD |
| Associated with MARC21 |
| Associated with .mrc |
| Associated with .marc |
| Associated with marc |
| Associated with application/marc |
| Associated with mrc |
| Associated with application/marc+xml |
| Associated with MARC-8 |
| Associated with MARC8 |
| Associated with UNIMARC |
| Associated with ISO 2709 |
| Associated with ANSI/NISO Standard Z39.2-1971 |
| Associated with ISO 2709-1973 |
| Associated with ISO 2709:1973 |
| Associated with ISO 2709:2008 |
| Associated with GB/T 2901-2012 |
| Associated with GB/T 2901 |
| Associated with GB 2901 |