# Prokop Ondrák
**Wikidata**: [Q94692903](https://www.wikidata.org/wiki/Q94692903)  
**Source**: https://4ort.xyz/entity/prokop-ondr-k


## References

1. Ondrák, Prokop (BLKÖ)
2. Czech National Authority Database
3. Regional Database of the Central Bohemian Research Library in Kladno
4. Biographisches Lexikon des Kaiserthums Oesterreich
5. Virtual International Authority File
6. Provenio