1999
Gemini G.E.L., 1972
Gemini G.E.L., 1994
Gemini G.E.L., 1973
Gemini G.E.L., 1974
Gemini G.E.L., 1978
Gemini G.E.L., 1999
Gemini G.E.L., 1976
Gemini G.E.L., 1969
![Four Panels from Untitled 1972 [D panel, trial proof 16]](https://api.nga.gov/iiif/446aa4b6-83ae-4e40-ad8c-e72b5b2b4f8d/full/843,/0/default.jpg)
![#2 (after 'Untitled 1975') [working proof]](https://api.nga.gov/iiif/bf75681a-a9c3-4037-8707-30a0b6a30f1e/full/843,/0/default.jpg)
![Figure 0 [trial proof]](https://api.nga.gov/iiif/00cb8a58-de10-4efa-8251-8635a13ac85d/full/843,/0/default.jpg)