# Gustav Keller
**Wikidata**: [Q53503090](https://www.wikidata.org/wiki/Q53503090)  
**Source**: https://4ort.xyz/entity/gustav-keller-q53503090


## References

1. RKDartists
2. Catalog of the German National Library
3. askArt
4. The Stuttgart Database of Scientific Illustrators 1450–1950
5. Artnet
6. BnF authorities
7. [1909](https://www.koninklijkeverzamelingen.nl/collectie-online/detail/036337eb-ea03-590a-8f6b-1f89bb94ec3f)