1972–1975
Gemini G.E.L., 1967
Gemini G.E.L., 1978
Jeff Wasserman, 1972
Gemini G.E.L., 1981
Gemini G.E.L., 1973
Gemini G.E.L., 1969
Gemini G.E.L., 1972
Gemini G.E.L., 1982
![Cicada [trial proof]](https://api.nga.gov/iiif/7c175f23-b2ed-4f65-91cf-3d706b7096ac/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, working proof 17]](https://api.nga.gov/iiif/8349873a-d39e-497b-a444-8b7789424c82/full/843,/0/default.jpg)
![Figure 9 [trial proof]](https://api.nga.gov/iiif/af957deb-7c45-4369-8638-4c2240390375/full/843,/0/default.jpg)
![Zone [trial proof 4]](https://api.nga.gov/iiif/abaee809-c64a-4efa-9539-97ab064e85d9/full/843,/0/default.jpg)
![Face [proof]](https://api.nga.gov/iiif/c288566b-590f-49dc-bc8e-46d8c32b1ec7/full/843,/0/default.jpg)
![Figure 3 [color trial proof]](https://api.nga.gov/iiif/749a442c-2589-4cf8-8b0b-6a59e6356a02/full/843,/0/default.jpg)