1976
David Hockney, 1960
Edward Henderson, 1967
Gemini G.E.L., 1969
Gemini G.E.L., 1989
Gemini G.E.L., 1972
James Webb, 1968
Gemini G.E.L., 1971
Gemini G.E.L., 1966
Gemini G.E.L., 1976
James Webb, 1967
![Figure 5 [trial proof]](https://api.nga.gov/iiif/3c6381f9-6897-4af8-b288-bf83587aeb83/full/843,/0/default.jpg)
![Souvenir I [trial proof]](https://api.nga.gov/iiif/7dc37f28-64de-43f8-82ef-1a5ebdc4699e/full/843,/0/default.jpg)
![Bookplate for David Grainger Whitney [working proof]](https://api.nga.gov/iiif/52b38bc8-6e01-4fda-9171-37f508882e6d/full/843,/0/default.jpg)
