1984
Ellsworth Kelly, 1965
James Pollard, 1988
Gemini G.E.L., 1976
Gemini G.E.L., 1983
Gemini G.E.L., 1969
Gemini G.E.L., 1975
Turtell, Neal, Mr., 1993
James Pollard, 1982
Gemini G.E.L., 1972
Gemini G.E.L., 1992
Turtell, Neal, Mr., 1975
Gemini G.E.L., 1981
![Figure 3 [color trial proof]](https://api.nga.gov/iiif/749a442c-2589-4cf8-8b0b-6a59e6356a02/full/843,/0/default.jpg)
