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- Encoded Archival Description - EAD
- MAchine-Readable Cataloging - MARC
- Lightweight Information Describing Objects - LIDO
- ONIX 2.1
- ONIX 3.0
- XMetaDissPlus
- BIBFRAME (via Heuvelmann, Reinhold, Hentschke, Jana, evtl. Gruppe Titeldaten)
- schema.org (via Hentschke, Jana)
...