# Jan Šula
**Wikidata**: [Q55118063](https://www.wikidata.org/wiki/Q55118063)  
**Source**: https://4ort.xyz/entity/jan-ula-q55118063


## References

1. Czech National Authority Database
2. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1905675237477390)
3. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Jan&prijm=Sula&dnar=30.06.1904&hledej=Hledat)
4. [regional database of the Pilsen City Library](https://tritius.plzen.eu/authority/220760)
5. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Jan&prijm=Sula&dnar=30.06.1904&hledej=Hledat)
6. Bibliography of the History of the Czech Lands