1970
Gemini G.E.L., 1967
Gemini G.E.L., 1972
Gemini G.E.L., 1976
Gemini G.E.L., 1974
Gemini G.E.L., 2004
Gemini G.E.L., 1966
Ellsworth Kelly, 1948
Gemini G.E.L., 1973
Ellsworth Kelly, 1978
Gemini G.E.L., 1980
Ellsworth Kelly, 1976
Gemini G.E.L., 1969
![Bookplate for David Grainger Whitney [working proof]](https://api.nga.gov/iiif/4d8da739-c3d0-4ca0-acb6-593311acf318/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 28]](https://api.nga.gov/iiif/f05fd575-87ee-4d47-a89c-7e21e39425e8/full/843,/0/default.jpg)
![Self-Portrait [special proof]](https://api.nga.gov/iiif/bc94a45e-3abf-4c3a-a193-b2c3642b4aaf/full/843,/0/default.jpg)
![Figure 7 [progressive proof A]](https://api.nga.gov/iiif/23485099-dc04-4a27-9876-c7dc079d2fa8/full/843,/0/default.jpg)