# Josef V. Černý
**Wikidata**: [Q15830278](https://www.wikidata.org/wiki/Q15830278)  
**Source**: https://4ort.xyz/entity/josef-v-ern-


## References

1. Czech National Authority Database
2. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=1CDDF713DBC64FBEB247D3929C305CD0&scan=175#scan175)
3. Virtual International Authority File