# Jaroslav Černý
**Wikidata**: [Q95470961](https://www.wikidata.org/wiki/Q95470961)  
**Source**: https://4ort.xyz/entity/jaroslav-ern--q95470961


## References

1. Czech National Authority Database
2. Regional Database of the Central Bohemian Research Library in Kladno
3. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1854776)
4. OPAC SBN
5. BnF authorities
6. Virtual International Authority File