1978–1980
Ellsworth Kelly, 1976
Gemini G.E.L., 1976
Anthony Zepeda, 1981
Gemini G.E.L., 1980
Gemini G.E.L., 1969
Gemini G.E.L., 1988
Gemini G.E.L., 1981
Gemini G.E.L., 1973
Gemini G.E.L., 1972
Gemini G.E.L., 2004
Gemini G.E.L., 1979
Gemini G.E.L., 1970
![#6 (after 'Untitled 1975') [progressive proof 2]](https://api.nga.gov/iiif/21449e8a-3c47-418e-bdd1-e1f01ce02806/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/e26ba67c-abb5-4924-9ee3-63fe74a0c500/full/843,/0/default.jpg)
![Drypoint Nu [special proof]](https://api.nga.gov/iiif/fb508dd7-d411-4a80-ab24-628d8df5bab6/full/843,/0/default.jpg)
![Figure 7 [progressive proof B]](https://api.nga.gov/iiif/2667270a-d236-4483-b859-a252546e9f80/full/843,/0/default.jpg)
![Face [proof]](https://api.nga.gov/iiif/c288566b-590f-49dc-bc8e-46d8c32b1ec7/full/843,/0/default.jpg)
