# Jan Červenka
**Wikidata**: [Q95149647](https://www.wikidata.org/wiki/Q95149647)  
**Source**: https://4ort.xyz/entity/jan-ervenka-q95149647


## References

1. [Collection of Registry Books at Třeboň State Archive](https://digi.ceskearchivy.cz/4131/35/1681/1923/50/0)
2. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1853097)
3. Collection of Registry Books at Zámrsk State Archive
4. Czech National Authority Database
5. Virtual International Authority File
6. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
7. Dictionary of Czech librarians