1985–1986
Gemini G.E.L., 1972
Gemini G.E.L., 1983
Gemini G.E.L., 1981
Gemini G.E.L., 1969
Peter Carlson, 1982
Gemini G.E.L., 1971
Gemini G.E.L., 1980
Gemini G.E.L., 1966
Gemini G.E.L., 1999
![Cicada [trial proof]](https://api.nga.gov/iiif/022c055d-bf96-4279-a387-f21d87820f14/full/843,/0/default.jpg)
![Figure 2 [trial proof]](https://api.nga.gov/iiif/3eed4c8e-78f0-4db2-bab4-6351c1b36b94/full/843,/0/default.jpg)
![Self-Portrait [special proof]](https://api.nga.gov/iiif/bc94a45e-3abf-4c3a-a193-b2c3642b4aaf/full/843,/0/default.jpg)
![Figure 4 [working proof]](https://api.nga.gov/iiif/1b40501b-1a1a-4c49-9a62-8d0bc7f31ac3/full/843,/0/default.jpg)
![School [special proof]](https://api.nga.gov/iiif/63a60f8c-fea0-421f-b0b4-a5fe424e0273/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/05c66be5-6b94-422d-9347-5b714044b6e3/full/843,/0/default.jpg)