1977–1979
Gemini G.E.L., 1971
Gemini G.E.L., 1973
Gemini G.E.L., 1978
Gemini G.E.L., 1981
Gemini G.E.L., 1982
Serge Lozingot, 1975
Gemini G.E.L., 1972
Serge Lozingot, 1977
Gemini G.E.L., 1979
![Four Panels from Untitled 1972 [D panel, trial proof 27]](https://api.nga.gov/iiif/f06317dd-9b4b-4276-82d7-68dc7019d4c9/full/843,/0/default.jpg)
![Ale Cans [trial proof A]](https://api.nga.gov/iiif/f0d867d3-4a5f-4086-bcd3-057a577eb57f/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/bf606346-9db2-4ad6-9580-e7e7b649b875/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 6]](https://api.nga.gov/iiif/a23ee6f5-e9a7-4a00-a79e-9a52d7ee277e/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/a22d835b-5c11-47ed-896a-c89a062c7ddd/full/843,/0/default.jpg)
