# Karel Mastný
**Wikidata**: [Q95368157](https://www.wikidata.org/wiki/Q95368157)  
**Source**: https://4ort.xyz/entity/karel-mastn-


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-p0028054-Mastny-Karel-1932)