# Karel Sosna
**Wikidata**: [Q95135160](https://www.wikidata.org/wiki/Q95135160)  
**Source**: https://4ort.xyz/entity/karel-sosna


## References

1. Czech National Authority Database
2. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Karel&prijm=Sosna&dnar=29.08.1941&hledej=Hledat)
3. [The Fine Art Archive](https://cs.isabart.org/person/103569)
4. Virtual International Authority File
5. The Fine Art Archive
6. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Karel&prijm=Sosna&dnar=29.08.1941&hledej=Hledat)
7. Bibliography of the History of the Czech Lands
8. Dictionary of Czech librarians