1978–1980
Ellsworth Kelly, 1967
Ellsworth Kelly, 1981
Gemini G.E.L., 1981
Gemini G.E.L., 1979
Gemini G.E.L., 1983
Serge Lozingot, 1973
Gemini G.E.L., 1969
Gemini G.E.L., 1970
Gemini G.E.L., 1992
Gemini G.E.L., 1971
Gemini G.E.L., 1993
![Shoes [special proof]](https://api.nga.gov/iiif/d905aa2d-0c38-4a58-aaad-d0e14587c073/full/843,/0/default.jpg)
![Gulf [special proof]](https://api.nga.gov/iiif/4287a55f-d89e-4d51-ac50-c5ed2d55eb1a/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 16]](https://api.nga.gov/iiif/446aa4b6-83ae-4e40-ad8c-e72b5b2b4f8d/full/843,/0/default.jpg)
![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/7e757d53-095b-44f3-acf7-c4784f95648e/full/843,/0/default.jpg)
![Good Time Charley II [trial proof]](https://api.nga.gov/iiif/8a9343ce-ed81-4da8-8551-e7af88b64a1e/full/843,/0/default.jpg)
![Pushing Up [special proof]](https://api.nga.gov/iiif/831d94ff-c161-4f11-8d48-4207cd69c830/full/843,/0/default.jpg)