1981–1982
Gemini G.E.L., 1979
Ellsworth Kelly, 1956
Gemini G.E.L., 1966
Gemini G.E.L., 1985
Gemini G.E.L., 1969
Ellsworth Kelly, 1981
Gemini G.E.L., 1971
Gemini G.E.L., 1973
Gemini G.E.L., 1972
Ellsworth Kelly, 1986
Ellsworth Kelly, 1959
Gemini G.E.L., 2008
![Door [special proof]](https://api.nga.gov/iiif/99469b19-96e5-4457-977d-218048965aa9/full/843,/0/default.jpg)
![Figure 8 [working proof]](https://api.nga.gov/iiif/70cca2fe-69ea-4479-a3fc-b0d6032dd52f/full/843,/0/default.jpg)
![Bent "Blue" [working proof]](https://api.nga.gov/iiif/25190e59-6ffb-4652-ab02-8434c9babb59/full/843,/0/default.jpg)
![Knee [trial proof]](https://api.nga.gov/iiif/fdb17cd2-18fd-4429-a4ac-a12debaa49af/full/843,/0/default.jpg)
