# Josef Petera
**Wikidata**: [Q95214241](https://www.wikidata.org/wiki/Q95214241)  
**Source**: https://4ort.xyz/entity/josef-petera


## References

1. Czech National Authority Database
2. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1907416034901723)
3. [regional database of the  Research Library in Hradec Králové](https://aleph.svkhk.cz/F/?func=direct&doc_number=000200554&local_base=hka10&format=999)
4. Virtual International Authority File
5. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
6. Dictionary of Czech librarians