# Benjamin Čumpelík
**Wikidata**: [Q27891522](https://www.wikidata.org/wiki/Q27891522)  
**Source**: https://4ort.xyz/entity/benjamin-umpel-k


## References

1. Czech National Authority Database
2. Regional Database of the Central Bohemian Research Library in Kladno
3. The Fine Art Archive
4. [regional database of the Regional Library of Highlands](https://tritius.kkvysociny.cz/authority/1062495)
5. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=045FD147A0204C8BB0B9E0F1D6637A9C&scan=79#scan79)