1967
Gemini G.E.L., 1976
Gemini G.E.L., 1971
Benjamin B. Smith, 1972
Gemini G.E.L., 1982
Gemini G.E.L., 1974
Gemini G.E.L., 1969
Gemini G.E.L., 1980
Robert de la Rocha, 1966
Gemini G.E.L., 1967
![Bookplate for David Grainger Whitney [trial proof]](https://api.nga.gov/iiif/e3d32384-aadd-4234-b744-718755d71228/full/843,/0/default.jpg)
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/6b380faa-3752-4b9a-b576-7e8a277615fc/full/843,/0/default.jpg)
![Figure 0 [trial proof]](https://api.nga.gov/iiif/616a843c-a4ec-4adc-971e-58eea57bdc38/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)
![Drypoint Nu [special proof]](https://api.nga.gov/iiif/fb508dd7-d411-4a80-ab24-628d8df5bab6/full/843,/0/default.jpg)
