# Alois Opatrný
**Wikidata**: [Q95150769](https://www.wikidata.org/wiki/Q95150769)  
**Source**: https://4ort.xyz/entity/alois-opatrn-


## References

1. Czech National Authority Database
2. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=ee1a27782b984282ac28b548a10eea96&scan=269#scan269)
3. Virtual International Authority File
4. Bibliography of the History of the Czech Lands