# Ján Kopál
**Wikidata**: [Q95441660](https://www.wikidata.org/wiki/Q95441660)  
**Source**: https://4ort.xyz/entity/j-n-kop-l


## References

1. Czech National Authority Database
2. BnF authorities
3. [Source](https://www.ukf.sk/univerzita/historia-univerzity/cestni-doktori/23-univerzita/o-univerzite/2143-jan-kopal)
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. NUKAT
7. Regional Database of the Central Bohemian Research Library in Kladno