1974–1975
Gemini G.E.L., 1990
Gemini G.E.L., 1987
Gemini G.E.L., 1986
Gemini G.E.L., 1980
Gemini G.E.L., 1972
Gemini G.E.L., 1971
Gemini G.E.L., 1967
Ed Ruscha, 1969
Gemini G.E.L., 1970
Gemini G.E.L., 1976
Gemini G.E.L., 1982
Gemini G.E.L., 1979
![Untitled [trial proof]](https://api.nga.gov/iiif/c3efb80f-1c47-449f-b9a0-9288e530423e/full/843,/0/default.jpg)
![Fool's House [trial proof]](https://api.nga.gov/iiif/01da48c7-9750-49b9-8bd2-92b1d39fe2dd/full/843,/0/default.jpg)
![Coathanger and Spoon [trial proof]](https://api.nga.gov/iiif/b83ef090-d42f-4d87-913b-c375906c78be/full/843,/0/default.jpg)
![Bookplate for David Grainger Whitney [trial proof]](https://api.nga.gov/iiif/f200927e-d734-46c7-81db-c0e9800f15e1/full/843,/0/default.jpg)
![Albert Clark [special proof]](https://api.nga.gov/iiif/ebf7c392-eb6c-4c79-84e8-8942900886b3/full/843,/0/default.jpg)