# Otakar Mrázek
**Wikidata**: [Q95165553](https://www.wikidata.org/wiki/Q95165553)  
**Source**: https://4ort.xyz/entity/otakar-mr-zek


## References

1. Czech National Authority Database
2. Students of the Universities of Prague 1882–1945
3. Virtual International Authority File
4. Bibliography of the History of the Czech Lands