1981–1982
Gemini G.E.L., 2000
Gemini G.E.L., 1986
Gemini G.E.L., 1974
Gemini G.E.L., 1968
Gemini G.E.L., 1971
Gemini G.E.L., 1967
Ellsworth Kelly, 1965
Ellsworth Kelly, 1976
Ellsworth Kelly, 1961
Gemini G.E.L., 1989
Gemini G.E.L., 1977
![What Is a Family? [special proof]](https://api.nga.gov/iiif/16f1051c-5b30-4109-ba14-919c773a8612/full/843,/0/default.jpg)
![Figure 8 [trial proof 3]](https://api.nga.gov/iiif/529730ec-65c0-47b6-9490-ebe6bab38d82/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/1a3d3dc8-ba9e-465d-a7a4-39d1020cc1b5/full/843,/0/default.jpg)