# Hans Jürg Kupper
**Wikidata**: [Q85099278](https://www.wikidata.org/wiki/Q85099278)  
**Source**: https://4ort.xyz/entity/hans-j-rg-kupper


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Union List of Artist Names
4. [Source](http://www.sikart.ch/KuenstlerInnen.aspx?id=4029459)
5. Virtual International Authority File