# Břetislav Tvrzník
**Wikidata**: [Q95176176](https://www.wikidata.org/wiki/Q95176176)  
**Source**: https://4ort.xyz/entity/b-etislav-tvrzn-k


## References

1. Czech National Authority Database
2. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1139846224220666)
3. Virtual International Authority File
4. Students of the Universities of Prague 1882–1945
5. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-p0027863-Tvrznik-Bretislav-1903)