# Petr Šafařík
**Wikidata**: [Q20428273](https://www.wikidata.org/wiki/Q20428273)  
**Source**: https://4ort.xyz/entity/petr-afa-k


## References

1. Czech National Authority Database
2. [Bibliography of the History of the Czech Lands](https://biblio.hiu.cas.cz/authorities/36026)
3. Bibliography of the History of the Czech Lands