# Ondřej Matějka
**Wikidata**: [Q95156746](https://www.wikidata.org/wiki/Q95156746)  
**Source**: https://4ort.xyz/entity/ond-ej-mat-jka


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [IS VaVaI](https://api.isvavai.cz/)
4. Bibliography of the History of the Czech Lands
5. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0319851-Matejka-Ondrej-1979)