# Q17227438
**Wikidata**: [Q17227438](https://www.wikidata.org/wiki/Q17227438)  
**Source**: https://4ort.xyz/entity/q17227438


## 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-p0108284-Havlis-Vitek-1977)