# Josef Jirsák
**Wikidata**: [Q95123154](https://www.wikidata.org/wiki/Q95123154)  
**Source**: https://4ort.xyz/entity/josef-jirs-k-q95123154


## References

1. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1539319746006660)
2. Database of the Terezín Memorial
3. Regional Database of the Central Bohemian Research Library in Kladno
4. Czech National Authority Database
5. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=8aaab488fc8d49b19cbb74ad4f6104ec&scan=250#scan250)
6. Virtual International Authority File