1968
Gemini G.E.L., 1973
Gemini G.E.L., 1989
Daniel Freeman, 1969
Gemini G.E.L., 1969
Gemini G.E.L., 1998
William Crutchfield, 1970
Gemini G.E.L., 1980
Gemini G.E.L., 1991
Gemini G.E.L., 1970
Gemini G.E.L., 1971
Gemini G.E.L., 1977
![Four Panels from Untitled 1972 [D panel, trial proof 15]](https://api.nga.gov/iiif/d83c39d8-218c-4a50-8360-ba78d965fd42/full/843,/0/default.jpg)
![Flower Head [special proof]](https://api.nga.gov/iiif/77e40d43-24c5-4c41-b0c3-66617770f4ae/full/843,/0/default.jpg)
![Figure 0 [trial proof]](https://api.nga.gov/iiif/b1c20087-2352-4e37-b521-55cd511b1103/full/843,/0/default.jpg)
![Good Time Charley II [working proof]](https://api.nga.gov/iiif/d2476dd4-c214-4f0d-9d48-a28c47bad159/full/843,/0/default.jpg)
![Untitled [trial proof 1]](https://api.nga.gov/iiif/69c17593-d8b0-4c5a-a012-6a701038cfc8/full/843,/0/default.jpg)