1979–1983
Gemini G.E.L., 1972
Gemini G.E.L., 1974
Gemini G.E.L., 1975
Gemini G.E.L., 1968
Gemini G.E.L., 1991
Larry Krueger, 1979
Gemini G.E.L., 2008
Gemini G.E.L., 1969
Gemini G.E.L., 2007
Gemini G.E.L., 1966
Gemini G.E.L., 1971
![Sea Group [special proof]](https://api.nga.gov/iiif/6cc5100b-0653-42aa-ba28-dae3deb6d80c/full/843,/0/default.jpg)
![Elements [special proof]](https://api.nga.gov/iiif/cd162326-c0eb-411b-b946-7a574e58572c/full/843,/0/default.jpg)
![Figure 5 [trial proof]](https://api.nga.gov/iiif/613e3393-988c-4eac-8e7b-cde3e00b3517/full/843,/0/default.jpg)
