# Q20056759
**Wikidata**: [Q20056759](https://www.wikidata.org/wiki/Q20056759)  
**Source**: https://4ort.xyz/entity/q20056759


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Source](https://autority.snk.sk/cgi-bin/koha/opac-authoritiesdetail.pl?marc=1&authid=162273)
4. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-p0105327-cernecka-Ida-19202009)