# Otto Pročke
**Wikidata**: [Q95402534](https://www.wikidata.org/wiki/Q95402534)  
**Source**: https://4ort.xyz/entity/otto-pro-ke


## References

1. Czech National Authority Database
2. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1655767921867642)
3. Virtual International Authority File
4. Bibliography of the History of the Czech Lands