# Karel Opatrný
**Wikidata**: [Q95165673](https://www.wikidata.org/wiki/Q95165673)  
**Source**: https://4ort.xyz/entity/karel-opatrn--q95165673


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/63114)
3. [regional database of the Pilsen City Library](https://tritius.plzen.eu/authority/20023)
4. Virtual International Authority File
5. Encyclopedia of Plzeň History
6. The Fine Art Archive