# Břetislav Dadák
**Wikidata**: [Q95456908](https://www.wikidata.org/wiki/Q95456908)  
**Source**: https://4ort.xyz/entity/b-etislav-dad-k


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/87597)
3. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000010228&local_base=svk04)
4. [Source](https://www.enkm.cz/bretislav-dadak)
5. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/771781)
6. Virtual International Authority File
7. The Fine Art Archive
8. [Source](https://ddvd.kpsys.cz/records/4068d3f7-ebfc-4bfa-be19-c52be97c79ce)
9. Bibliography of the History of the Czech Lands
10. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-p0082009-Dadak-Bretislav-19362014)