# Jaroslav Háša
**Wikidata**: [Q95444231](https://www.wikidata.org/wiki/Q95444231)  
**Source**: https://4ort.xyz/entity/jaroslav-h-a-q95444231


## References

1. Czech National Authority Database
2. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000004252&local_base=svk04)
3. Virtual International Authority File
4. Český hudební slovník osob a institucí
5. Bibliography of the History of the Czech Lands
6. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0303399-Hasa-Jaroslav-19081981)