1971
Gemini G.E.L., 1969
Gemini G.E.L., 1976
Gemini G.E.L., 1981
Stuart Henderson, 1971
Gemini G.E.L., 1971
Ron McPherson, 1973
Gemini G.E.L., 1987
Frank Stella, 1964
Ron McPherson, 1980
Gemini G.E.L., 1980
![Bookplate for David Grainger Whitney [trial proof]](https://api.nga.gov/iiif/7ef634c6-e820-40a4-a5a3-625e99bdf621/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/a28bbf97-0661-4119-a218-718024b5b074/full/843,/0/default.jpg)
![Hinged Canvas [working proof]](https://api.nga.gov/iiif/a6ae14d2-058f-49b6-bdce-be6cd9b9cd0d/full/843,/0/default.jpg)
![Bent "Blue" [working proof]](https://api.nga.gov/iiif/25190e59-6ffb-4652-ab02-8434c9babb59/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/6b40644d-10f9-4df8-b459-51f33e0c0c40/full/843,/0/default.jpg)
![Drypoint Kappa [special proof]](https://api.nga.gov/iiif/d3138dde-9935-4612-8309-92d74464eeba/full/843,/0/default.jpg)