# Karl Mattenheimer

> German painter

**Wikidata**: [Q55126011](https://www.wikidata.org/wiki/Q55126011)  
**Source**: https://4ort.xyz/entity/karl-mattenheimer


## References

1. Allgemeine Deutsche Biographie
2. Integrated Authority File
3. Catalog of the German National Library
4. [Source](https://www.deutsche-biographie.de/sfz59031.html)
5. Artnet