# Jaroslav Vlach
**Wikidata**: [Q15830183](https://www.wikidata.org/wiki/Q15830183)  
**Source**: https://4ort.xyz/entity/jaroslav-vlach-q15830183


## References

1. Czech National Authority Database
2. Regional Database of the Central Bohemian Research Library in Kladno
3. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=34539D50838C4EBEBCDCAD7050198984&scan=22#scan22)
4. Integrated Authority File
5. Virtual International Authority File
6. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
7. Bibliography of the History of the Czech Lands