1981–1982
Gemini G.E.L., 1978
Gemini G.E.L., 1976
Gemini G.E.L., 1967
Gemini G.E.L., 1972
Gemini G.E.L., 1969
Gemini G.E.L., 1970
Ellsworth Kelly, 1957
Gemini G.E.L., 1999
Ellsworth Kelly, 1960
Gemini G.E.L., 1987
Gemini G.E.L., 1977
![Bookplate for David Grainger Whitney [trial proof]](https://api.nga.gov/iiif/e3d32384-aadd-4234-b744-718755d71228/full/843,/0/default.jpg)
![Souvenir (Black State) [working proof]](https://api.nga.gov/iiif/240df90d-7cc9-4e20-8d27-30b01ce19f35/full/843,/0/default.jpg)
![Untitled [trial proof 1]](https://api.nga.gov/iiif/69c17593-d8b0-4c5a-a012-6a701038cfc8/full/843,/0/default.jpg)