1970
Gemini G.E.L., 1981
Ellsworth Kelly, 1987
Gemini G.E.L., 1987
Gemini G.E.L., 1969
Gemini G.E.L., 1976
Ellsworth Kelly, 1956
Ellsworth Kelly, 1971
Ellsworth Kelly, 1984
Gemini G.E.L., 1979
Jeff Wasserman, 1973
![Cicada [working proof]](https://api.nga.gov/iiif/af247bb1-75a7-47c6-bc00-42ddb10d9da8/full/843,/0/default.jpg)
![Figure 2 [working proof]](https://api.nga.gov/iiif/e9f5a4ea-f6a1-4271-8cbc-6c777b43ecd3/full/843,/0/default.jpg)
![Albert Clark [special proof]](https://api.nga.gov/iiif/ebf7c392-eb6c-4c79-84e8-8942900886b3/full/843,/0/default.jpg)
![Figure 9 [trial proof]](https://api.nga.gov/iiif/af957deb-7c45-4369-8638-4c2240390375/full/843,/0/default.jpg)