# Rudolf Franz Ullmann

> Austrian painter

**Wikidata**: [Q105658928](https://www.wikidata.org/wiki/Q105658928)  
**Source**: https://4ort.xyz/entity/rudolf-franz-ullmann


## References

1. Benezit Dictionary of Artists
2. RKDartists
3. Artists of the World Online
4. Artnet
5. Invaluable
6. mutualart.com
7. Artists of the World
8. [Source](https://www.mutualart.com/Artist/Rudolf-Franz-Ullmann/0096C3D83215D839)
9. Basis Wien database