Has participated in:
External links:
- Gemeinsame Normdatei (GND) im Katalog der Deutschen Nationalbibliothek
- Open Researcher and Contributor ID (ORCID)
- Bibliothèque nationale de France
- Wikipedia (English)
- Kalliope Verbundkatalog
- NACO Authority File
- Virtual International Authority File (VIAF)
- Wikidata
- International Standard Name Identifier (ISNI)