1966
Gemini G.E.L., 1978
Josef Albers, 1972
Gemini G.E.L., 1982
Josef Albers, 1945
Gemini G.E.L., 1985
Gemini G.E.L., 1991
Josef Albers, 1966
Gemini G.E.L., 1968
Gemini G.E.L., 1973
Gemini G.E.L., 1967
![Money (with Space Between) [special proof]](https://api.nga.gov/iiif/0ccfba5c-2337-4979-896b-7436b3ebcc95/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, working proof 2]](https://api.nga.gov/iiif/115d1c97-1fd4-46bf-8c28-e6dde9c9d8ec/full/843,/0/default.jpg)
![Face [trial proof]](https://api.nga.gov/iiif/dfaec72e-f3d7-4936-92d7-c38b8088a880/full/843,/0/default.jpg)