1974–1975
Gemini G.E.L., 1981
Gemini G.E.L., 1979
Benjamin B. Smith, 1974
Gemini G.E.L., 1976
Robert Knisel, 1974
Gemini G.E.L., 2004
Gemini G.E.L., 1969
Gemini G.E.L., 1967
Gemini G.E.L., 1992
Gemini G.E.L., 1974
![Cicada [trial proof]](https://api.nga.gov/iiif/a28bbf97-0661-4119-a218-718024b5b074/full/843,/0/default.jpg)
![Shoes [special proof]](https://api.nga.gov/iiif/d905aa2d-0c38-4a58-aaad-d0e14587c073/full/843,/0/default.jpg)
![#3 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/1d9fda80-9e79-4bd5-99d0-864deb9d0727/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/501bfcf1-7e20-441a-8af2-4802972e106d/full/843,/0/default.jpg)