1974
Gemini G.E.L., 1991
Gemini G.E.L., 1986
Gemini G.E.L., 1978
Gemini G.E.L., 1973
Gemini G.E.L., 1980
Gemini G.E.L., 1972
Gemini G.E.L., 1976
Gemini G.E.L., 1969
Gemini G.E.L., 1971
Gemini G.E.L., 1992
![Four Panels from Untitled 1972 [D panel, trial proof 26]](https://api.nga.gov/iiif/7be8b383-9e4d-43a6-8384-53a544d0c3bc/full/843,/0/default.jpg)
![Drypoint Gamma [special proof]](https://api.nga.gov/iiif/9abd8b66-c637-403e-bf5d-3a9356709bff/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 4]](https://api.nga.gov/iiif/83811d43-0371-4a80-893c-14df34d5290f/full/843,/0/default.jpg)
![Figure 5 [trial proof]](https://api.nga.gov/iiif/12f83110-1324-4224-bd90-fe46408d0e3b/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/7e757d53-095b-44f3-acf7-c4784f95648e/full/843,/0/default.jpg)