# Josef Friedrich
**Wikidata**: [Q94940492](https://www.wikidata.org/wiki/Q94940492)  
**Source**: https://4ort.xyz/entity/josef-friedrich-q94940492


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. [The Fine Art Archive](https://cs.isabart.org/person/51324)
4. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=6176797F92BB4DFFB14BB0F6574DF85B&scan=332#scan332)
5. Virtual International Authority File
6. The Fine Art Archive