1967
Gemini G.E.L., 1973
Gemini G.E.L., 1975
Frank Stella, 1970
Gemini G.E.L., 1981
Frank Stella, 1967
Gemini G.E.L., 1984
Charles Ritt, 1969
Gemini G.E.L., 1971
Gemini G.E.L., 1969
![Four Panels from Untitled 1972 [D Panel, working proof 10]](https://api.nga.gov/iiif/83e8c7fd-b780-4c4a-9c38-540dc46fb68e/full/843,/0/default.jpg)
![Ale Cans [trial proof]](https://api.nga.gov/iiif/78a6aeb8-2514-4c75-ba7a-2a661c9e0186/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/18cceac0-5bcf-4de0-944e-7d36d8b707f2/full/843,/0/default.jpg)
![Good Time Charley II [trial proof]](https://api.nga.gov/iiif/94fe59a9-255c-47a8-8cd4-fc619ac0e83f/full/843,/0/default.jpg)
