# Valentin Petyrek
**Wikidata**: [Q63455760](https://www.wikidata.org/wiki/Q63455760)  
**Source**: https://4ort.xyz/entity/valentin-petyrek


## References

1. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000004789&local_base=svk04)
2. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/863987)
3. Czech National Authority Database
4. [Source](http://biography.hiu.cas.cz/Personal/index.php?curid=84616)