1980–1981
Gemini G.E.L., 1969
Gemini G.E.L., 1968
Gemini G.E.L., 1973
Gemini G.E.L., 1991
Gemini G.E.L., 1986
Gemini G.E.L., 1970
Gemini G.E.L., 1974
Gemini G.E.L., 1999
Gemini G.E.L., 1980
![Drypoint Epsilon [special proof]](https://api.nga.gov/iiif/931b0d88-3da6-475b-9a3f-dbdac553901d/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)
![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)
![Bill Burroughs [special proof]](https://api.nga.gov/iiif/4d9e3ddb-1729-4d20-8cbd-bac52f8468a2/full/843,/0/default.jpg)