# Jan Otakar Pražák
**Wikidata**: [Q15830157](https://www.wikidata.org/wiki/Q15830157)  
**Source**: https://4ort.xyz/entity/jan-otakar-pra-k


## References

1. Czech National Authority Database
2. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=13FBDF4F9C354C17867D1C8D872D951E&scan=84#scan84)
3. Virtual International Authority File