# Petr Kopečný
**Wikidata**: [Q95071621](https://www.wikidata.org/wiki/Q95071621)  
**Source**: https://4ort.xyz/entity/petr-kope-n-


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. Virtual International Authority File
4. Bibliography of the History of the Czech Lands