# Jaroslav Sumbal
**Wikidata**: [Q95390801](https://www.wikidata.org/wiki/Q95390801)  
**Source**: https://4ort.xyz/entity/jaroslav-sumbal


## References

1. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1076425499350153)
2. [Database of the Military Historical Archive](http://www.vuapraha.cz/soldier/20220272)
3. Czech National Authority Database
4. Virtual International Authority File
5. [Database of the Military Historical Archive](https://www.vuapraha.cz/legionari/104174)
6. Legie 100