# John Opper

> American painter (1908-1994)

**Wikidata**: [Q20981218](https://www.wikidata.org/wiki/Q20981218)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Opper)  
**Source**: https://4ort.xyz/entity/john-opper


## References

1. RKDartists
2. Union List of Artist Names
3. Museum of Modern Art online collection
4. Guggenheim Fellows database
5. Virtual International Authority File
6. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
7. [Source](http://americanabstractartists.org/current-members/past/)
8. Archives of American Art
9. Artnet
10. Whitney Museum of American Art
11. [Source](https://www.nytimes.com/2017/05/16/arts/design/lee-hall-artist-and-de-kooning-biographer-dies-at-82.html)
12. [Source](https://library.si.edu/art-and-artist-files)
13. [Source](https://library.nga.gov/permalink/01NGA_INST/1cl1g8d/alma991172223504896)