https://www.cerl.org/ 2026-04-08T19:32:12+00:00 https://www.cerl.org/ https://www.cerl.org/_media/wiki/dokuwiki.svg text/html 2012-11-21T10:27:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cerl.org/help/genreterms/main?rev=1353493627&do=diff Genre Terms About this Database Format Description * 001 * 100 * 101 * 110 * 280 * 300 * 480 * 580 * 581 * 830 * 856 * 956 * 998 * 999 001 This field contains the record identifier. Identifiers for concept start with the prefix 'con' and identifiers for terms with 'trm'. This field contains neither indicators or subfields and is not repeatable.