# Jan Petříček
**Wikidata**: [Q95109675](https://www.wikidata.org/wiki/Q95109675)  
**Source**: https://4ort.xyz/entity/jan-pet-ek


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. Bibliography of the History of the Czech Lands
4. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0371258-Petricek-Jan-1990)