# Jaroslav Krupka
**Wikidata**: [Q95363654](https://www.wikidata.org/wiki/Q95363654)  
**Source**: https://4ort.xyz/entity/jaroslav-krupka-q95363654


## References

1. Czech National Authority Database
2. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000001300&local_base=svk04)
3. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/782664)
4. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=A8D87BF5927740E2BC10F6ECC27C0BE8&scan=379#scan379)
5. Virtual International Authority File
6. Český hudební slovník osob a institucí
7. Encyclopedia of Brno History