# Karl Fischer
**Wikidata**: [Q18221899](https://www.wikidata.org/wiki/Q18221899)  
**Source**: https://4ort.xyz/entity/karl-fischer-q18221899


## References

1. Integrated Authority File
2. Virtual International Authority File
3. IMDb
4. [Source](https://daten.digitale-sammlungen.de/0006/bsb00067974/images/index.html?fip=193.174.98.30&id=00067974&seite=278)
5. CERL Thesaurus