# Jan Čermák
**Wikidata**: [Q95209379](https://www.wikidata.org/wiki/Q95209379)  
**Source**: https://4ort.xyz/entity/jan-erm-k-q95209379


## References

1. Czech National Authority Database
2. [regional database of the Regional Library of Highlands](https://tritius.kkvysociny.cz/authority/1062478)
3. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
4. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1854754)
5. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/771719)
6. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=958e228ffb1a4c9787cf1875af893a6a&scan=117#scan117)
7. Virtual International Authority File