# Friedrich Hahn
**Wikidata**: [Q94849711](https://www.wikidata.org/wiki/Q94849711)  
**Source**: https://4ort.xyz/entity/friedrich-hahn-q94849711


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. Virtual International Authority File
4. [Source](https://kalliope-verbund.info/DE-611-BF-113595)
5. [Source](https://www.lagis-hessen.de/en/subjects/rsrec/sn/bio/register/person/entry/hahn%252C%2Bfriedrich)