# Josef Kopal
**Wikidata**: [Q35557722](https://www.wikidata.org/wiki/Q35557722)  
**Source**: https://4ort.xyz/entity/josef-kopal


## References

1. Czech National Authority Database
2. The Fine Art Archive
3. BnF authorities
4. Students of the Universities of Prague 1882–1945
5. general catalog of BnF
6. Virtual International Authority File
7. Bibliography of the History of the Czech Lands