1970–1971
Ellsworth Kelly, 1978
Gemini G.E.L., 1969
Gemini G.E.L., 1981
Gemini G.E.L., 1968
Gemini G.E.L., 1972
Gemini G.E.L., 1976
Gemini G.E.L., 1971
Gemini G.E.L., 1986
Gemini G.E.L., 1982
Benjamin B. Smith, 1975
Ellsworth Kelly, 1979
![Cicada [trial proof]](https://api.nga.gov/iiif/a55ff16f-5be5-4796-8883-c8cf9ca2b643/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 12]](https://api.nga.gov/iiif/8b92f0be-db4c-4d7f-8224-d6a41153010d/full/843,/0/default.jpg)
