# Karel Kupka
**Wikidata**: [Q95166828](https://www.wikidata.org/wiki/Q95166828)  
**Source**: https://4ort.xyz/entity/karel-kupka-q95166828


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/40666)
3. Regional Database of the Central Bohemian Research Library in Kladno
4. Virtual International Authority File
5. The Fine Art Archive