1971
Gemini G.E.L., 1979
Gemini G.E.L., 1973
Gemini G.E.L., 1971
Gemini G.E.L., 1972
Frank Stella, 1967
Gemini G.E.L., 1996
James Webb, 1969
Gemini G.E.L., 1982
Gemini G.E.L., 1990
Gemini G.E.L., 1986
Gemini G.E.L., 1999
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/e9a5612d-0efc-4b70-9b81-e99b1d2f5371/full/843,/0/default.jpg)
![Hinged Canvas [trial proof]](https://api.nga.gov/iiif/087635d2-317e-400b-9248-17a0efc212b4/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/1999af7d-aa2f-47f4-b196-48da915e2733/full/843,/0/default.jpg)
![Figure 8 [working proof]](https://api.nga.gov/iiif/70cca2fe-69ea-4479-a3fc-b0d6032dd52f/full/843,/0/default.jpg)
