# Joseph Salomon Federn
**Wikidata**: [Q20478363](https://www.wikidata.org/wiki/Q20478363)  
**Source**: https://4ort.xyz/entity/joseph-salomon-federn


## References

1. Biographical Dictionary of the History of the Czech Lands
2. [Österreichisches Biographisches Lexikon 1815–1950](http://www.austriaca.at:8000/oebl/oebl_F/Federn_Josef_1831_1920.xml)
3. Virtual International Authority File
4. [Source](https://www.deutsche-biographie.de/sfz15645.html)