1973
Gemini G.E.L., 1972
James Webb, 1968
Gemini G.E.L., 1970
James Webb, 1969
Gemini G.E.L., 1992
Ellsworth Kelly, 1965
Gemini G.E.L., 1969
James Webb, 1973
Benjamin B. Smith, 1978
Gemini G.E.L., 2004
James Webb, 1967
![Figure 9 [trial proof]](https://api.nga.gov/iiif/1520fef4-8093-472e-93aa-8724458aefcc/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/0b22cf9c-f888-4979-9a58-d5286966643b/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)
