1974–1975
John Roberts, 1974
Gemini G.E.L., 1984
Gemini G.E.L., 1986
Benjamin B. Smith, 1969
Gemini G.E.L., 1976
Gemini G.E.L., 1972
Gemini G.E.L., 1979
Jeff Wasserman, 1967
Gemini G.E.L., 1968
Gemini G.E.L., 1971
![Serge [special proof]](https://api.nga.gov/iiif/817840c9-32ce-4d13-8e04-9911131ff668/full/843,/0/default.jpg)
![Rug [special proof]](https://api.nga.gov/iiif/846d478c-de6a-4c94-b389-a585fd6eaa7a/full/843,/0/default.jpg)
![Untitled [working proof]](https://api.nga.gov/iiif/d8c203e1-2984-46a5-a5e4-73aaae704297/full/843,/0/default.jpg)
