# Robert A. Graef

> American artist and illustrator

**Wikidata**: [Q109564910](https://www.wikidata.org/wiki/Q109564910)  
**Source**: https://4ort.xyz/entity/robert-a-graef


## References

1. [Source](https://www.pulpartists.com/Graef.html)
2. Artists of the World Online
3. NACSIS-CAT
4. CiNii Research
5. Artnet
6. mutualart.com
7. Internet Speculative Fiction Database
8. Project Gutenberg
9. The Unz Review
10. [Source](http://www.artnet.com/artists/robert-a-graef)
11. Artists of the World
12. [Source](http://onlinebooks.library.upenn.edu/webbin/book/lookupname?key=Graef%2c%20Robert%20A%2e)
13. [Source](https://www.mutualart.com/Artist/Robert-A--Graef/457D5062B989543F)
14. [Source](https://library.si.edu/art-and-artist-files)