1991–1994
Gemini G.E.L., 1967
Gemini G.E.L., 1973
John Baldessari, 1986
Gemini G.E.L., 1972
Gemini G.E.L., 1970
Gemini G.E.L., 1991
Gemini G.E.L., 1971
Gemini G.E.L., 1980
John Baldessari, 1970
Gemini G.E.L., 1969
Gemini G.E.L., 1985
![Two Sunsets (One with Square Blue Moon) [special proof]](https://api.nga.gov/iiif/7f86a87e-70ef-4ea0-b787-cc4fcd92e717/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 3]](https://api.nga.gov/iiif/45fd8223-bf09-4d65-b6ff-3037fc071293/full/843,/0/default.jpg)
![Hinged Canvas [working proof]](https://api.nga.gov/iiif/a6ae14d2-058f-49b6-bdce-be6cd9b9cd0d/full/843,/0/default.jpg)
![Drypoint Beta [special proof]](https://api.nga.gov/iiif/ea062f42-eb4f-4b0f-9986-7ed3aff8c56c/full/843,/0/default.jpg)
