# Josef Sonberg
**Wikidata**: [Q95135145](https://www.wikidata.org/wiki/Q95135145)  
**Source**: https://4ort.xyz/entity/josef-sonberg


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/13325)
3. [regional database of the Regional Library of Highlands](https://tritius.kkvysociny.cz/authority/1069107)
4. Virtual International Authority File
5. The Fine Art Archive
6. [Source](http://www.osobniknihovny.cz/libraryDetail.do?categoryId=6400)