# Jaroslav Janko
**Wikidata**: [Q95165071](https://www.wikidata.org/wiki/Q95165071)  
**Source**: https://4ort.xyz/entity/jaroslav-janko-q95165071


## References

1. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=6275f854885c49558103f4969e7c97fc&scan=110#scan110)
2. Czech National Authority Database
3. Virtual International Authority File