1976–1977
Gemini G.E.L., 1997
Gemini G.E.L., 1970
Gemini G.E.L., 1998
Gemini G.E.L., 1971
Gemini G.E.L., 1994
Jeff Sanders, 1979
Gemini G.E.L., 1975
Ron McPherson, 1969
Gemini G.E.L., 1973
Peter Carlson, 1981
Gemini G.E.L., 1969
![Coathanger and Spoon [trial proof]](https://api.nga.gov/iiif/a1e7b718-f2fc-414c-8b5a-4b9dd74cac80/full/843,/0/default.jpg)
![Ale Cans [trial proof C]](https://api.nga.gov/iiif/962a073d-4aef-46db-a897-3de27d83a595/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 25]](https://api.nga.gov/iiif/41ecc842-e0a3-4e4e-bdff-432dcb18595b/full/843,/0/default.jpg)
![Figure 5 [trial proof]](https://api.nga.gov/iiif/3c6381f9-6897-4af8-b288-bf83587aeb83/full/843,/0/default.jpg)