# Friedrich Karl Heitz
**Wikidata**: [Q55122498](https://www.wikidata.org/wiki/Q55122498)  
**Source**: https://4ort.xyz/entity/friedrich-karl-heitz


## References

1. BnF authorities
2. IdRef
3. Catalog of the German National Library
4. [Source](https://www.deutsche-biographie.de/sfz29432.html)
5. CERL Thesaurus
6. Virtual International Authority File
7. FactGrid