# Josef Kupka
**Wikidata**: [Q22811601](https://www.wikidata.org/wiki/Q22811601)  
**Source**: https://4ort.xyz/entity/josef-kupka-q22811601


## References

1. Students of the Universities of Prague 1882–1945
2. Czech National Authority Database
3. State Security records
4. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Josef&prijm=Kupka&dnar=01.10.1916&mnar=&archivsvazek=&hledej=Hledat)