# Josef Leopold Bayer
**Wikidata**: [Q95164366](https://www.wikidata.org/wiki/Q95164366)  
**Source**: https://4ort.xyz/entity/josef-leopold-bayer


## References

1. Czech National Authority Database
2. Regional Database of the Central Bohemian Research Library in Kladno
3. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=fec408333c754fc99ee05a3e2344be62&scan=13#scan13)
4. Virtual International Authority File