# Otto Jirsák
**Wikidata**: [Q104708215](https://www.wikidata.org/wiki/Q104708215)  
**Source**: https://4ort.xyz/entity/otto-jirs-k


## References

1. [The Fine Art Archive](https://cs.isabart.org/person/151054)
2. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/862990)
3. [Database of the Military Historical Archive](http://www.vuapraha.cz/soldier/20477000)
4. Database of members of the Czechoslovak Republic of military units abroad for the World War II
5. [Source](https://www.slovnik-nakladatelstvi.cz/osobnosti/otto-jirsak.html)