1972
Gemini G.E.L., 1981
Benjamin B. Smith, 1971
Gemini G.E.L., 2002
Frank Stella, 1967
Frank Stella, 1971
Richard Ewen, 1972
Gemini G.E.L., 1970
Benjamin B. Smith, 1969
Richard Ewen, 1974
Gemini G.E.L., 1971
Gemini G.E.L., 1988
![Night Sky 2 (Reversed) [special proof]](https://api.nga.gov/iiif/99fe6b49-59b9-4ec5-97c1-5b1783d21768/full/843,/0/default.jpg)
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/671ce331-d8cb-47c1-a606-594828a245d4/full/843,/0/default.jpg)
![Viola [working proof]](https://api.nga.gov/iiif/e0e613a8-23fe-44fe-a069-5cb35f09eb52/full/843,/0/default.jpg)
![Coathanger and Spoon [trial proof]](https://api.nga.gov/iiif/b83ef090-d42f-4d87-913b-c375906c78be/full/843,/0/default.jpg)
![Good Time Charley II [trial proof]](https://api.nga.gov/iiif/3e6a4d51-f16d-42c7-829b-3169b5579d3f/full/843,/0/default.jpg)