# Petr Hejhal
**Wikidata**: [Q95115048](https://www.wikidata.org/wiki/Q95115048)  
**Source**: https://4ort.xyz/entity/petr-hejhal


## References

1. Czech National Authority Database
2. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000014790&local_base=svk04)
3. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. [IS VaVaI](https://api.isvavai.cz/)
7. Bibliography of the History of the Czech Lands