# Jan Herzer
**Wikidata**: [Q15830139](https://www.wikidata.org/wiki/Q15830139)  
**Source**: https://4ort.xyz/entity/jan-herzer


## References

1. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
2. Czech National Authority Database
3. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=18002DEAB15B49B0B3147227FBCB9357&scan=140#scan140)
4. IdRef
5. Virtual International Authority File