# Rudolf Petr
**Wikidata**: [Q95364652](https://www.wikidata.org/wiki/Q95364652)  
**Source**: https://4ort.xyz/entity/rudolf-petr-q95364652


## References

1. Czech National Authority Database
2. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1350816919052140)
3. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1853622)
4. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
5. Virtual International Authority File
6. Bibliography of the History of the Czech Lands