# Jan Křen
**Wikidata**: [Q95476848](https://www.wikidata.org/wiki/Q95476848)  
**Source**: https://4ort.xyz/entity/jan-k-en-q95476848


## References

1. [regional database of the Regional Library of Highlands](https://tritius.kkvysociny.cz/authority/1097734)
2. Czech National Authority Database
3. BillionGraves
4. Virtual International Authority File
5. Bibliography of the History of the Czech Lands
6. Dictionary of Czech librarians