1969
Roy Lichtenstein, 1963
Gemini G.E.L., 1971
Gemini G.E.L., 1977
Gemini G.E.L., 1980
Roy Lichtenstein, 1976
Roy Lichtenstein, 2012
Stuart Henderson, 1970
Roy Lichtenstein, 1970
Gemini G.E.L., 1990
Gemini G.E.L., 1993
Gemini G.E.L., 1984
![0 through 9 [trial proof]](https://api.nga.gov/iiif/09d2ab0e-a625-4927-b240-63dac36f49ec/full/843,/0/default.jpg)
![Drypoint Gamma [special proof]](https://api.nga.gov/iiif/9abd8b66-c637-403e-bf5d-3a9356709bff/full/843,/0/default.jpg)
![Untitled [architecture study]](https://whitneymedia.org/assets/artwork/61859/2019_234_97_cropped.jpg)
![Gorge d'Incre [special proof]](https://api.nga.gov/iiif/aa493d6e-7679-407b-bfec-d6001444aeef/full/843,/0/default.jpg)
![Drypoint—Ocean Surface (Second State) [special proof]](https://api.nga.gov/iiif/8fea30fb-bcf6-4eda-be7d-161bf7a2a2fd/full/843,/0/default.jpg)
