# Petr Grulich
**Wikidata**: [Q95151950](https://www.wikidata.org/wiki/Q95151950)  
**Source**: https://4ort.xyz/entity/petr-grulich


## References

1. Czech National Authority Database
2. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1979416)
3. [Source](https://www.muzeumhk.cz/muzeum/organizacni-struktura-muzea/14-utvar-reditele/2-doc-mgr-petr-grulich-ph-d.html)
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Bibliography of the History of the Czech Lands