# Josef Rychtera
**Wikidata**: [Q42392686](https://www.wikidata.org/wiki/Q42392686)  
**Source**: https://4ort.xyz/entity/josef-rychtera


## References

1. [regional database of the  Research Library in Hradec Králové](https://aleph.svkhk.cz/F/?func=direct&doc_number=000174368&local_base=hka10&format=999)
2. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
3. Czech National Authority Database
4. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1855710)