1966–1967
Gemini G.E.L., 1982
Gemini G.E.L., 2008
Gemini G.E.L., 1973
Gemini G.E.L., 1969
Gemini G.E.L., 1990
Gemini G.E.L., 1968
Gemini G.E.L., 1980
Gemini G.E.L., 1974
Gemini G.E.L., 1992
Gemini G.E.L., 1975
![Self-Portrait with Gold Dot [special proof]](https://api.nga.gov/iiif/ec76b79b-f0c8-47b4-a7f2-899f81f2e7ab/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/c3efb80f-1c47-449f-b9a0-9288e530423e/full/843,/0/default.jpg)
![Untitled [working proof]](https://api.nga.gov/iiif/83aa8129-993b-4c81-af29-8f7df4c4d78a/full/843,/0/default.jpg)
![Figure 5 [trial proof 1]](https://api.nga.gov/iiif/11a9dbc3-57c4-4067-a0dc-a96f5f5f4375/full/843,/0/default.jpg)