1981–1982
Gemini G.E.L., 1973
Gemini G.E.L., 1969
Gemini G.E.L., 1990
Gemini G.E.L., 1975
Gemini G.E.L., 1981
Gemini G.E.L., 1970
Gemini G.E.L., 1971
Gemini G.E.L., 1993
Ellsworth Kelly, 1953
Ellsworth Kelly, 1978
Gemini G.E.L., 1972
![Untitled [special proof]](https://api.nga.gov/iiif/93db5b4e-824a-4810-979d-7758f17fd945/full/843,/0/default.jpg)
![Ale Cans [trial proof H]](https://api.nga.gov/iiif/69de7db8-31ed-4ad4-91dc-2ab5239cefe2/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/3e2204df-6603-4055-81c6-48169c171251/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/3e2e1a28-21b4-4ae7-b8f6-a41abc6520d2/full/843,/0/default.jpg)
![Gorge d'Incre [special proof]](https://api.nga.gov/iiif/aa493d6e-7679-407b-bfec-d6001444aeef/full/843,/0/default.jpg)
![Figure 9 [trial proof]](https://api.nga.gov/iiif/eb1aa247-f34d-4619-9b25-d2615cc4bbdb/full/843,/0/default.jpg)
