# Karl Detlev Jessen
**Wikidata**: [Q94815612](https://www.wikidata.org/wiki/Q94815612)  
**Source**: https://4ort.xyz/entity/karl-detlev-jessen


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Library of Congress Authorities
4. Czech National Authority Database
5. Virtual International Authority File