# Petr Koukal
**Wikidata**: [Q95378390](https://www.wikidata.org/wiki/Q95378390)  
**Source**: https://4ort.xyz/entity/petr-koukal-q95378390


## References

1. Czech National Authority Database
2. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000010952&local_base=svk04)
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Bibliography of the History of the Czech Lands
6. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-p0106399-Koukal-Petr-1952)