# Oldřich Petráš
**Wikidata**: [Q95134123](https://www.wikidata.org/wiki/Q95134123)  
**Source**: https://4ort.xyz/entity/old-ich-petr-


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/23859)
3. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000000458&local_base=svk04)
4. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/862890)
5. BillionGraves
6. Virtual International Authority File
7. The Fine Art Archive
8. Český hudební slovník osob a institucí
9. Encyclopedia of Brno History
10. Bibliography of the History of the Czech Lands