1988–1990
Gemini G.E.L., 1972
Gemini G.E.L., 1980
Gemini G.E.L., 1968
Gemini G.E.L., 1970
Claes Oldenburg, 1990
Gemini G.E.L., 1977
Gemini G.E.L., 1992
Gemini G.E.L., 1967
Gemini G.E.L., 1979
Gemini G.E.L., 1969
Claes Oldenburg, 1977
Claes Oldenburg, 1959
![Drypoint Delta [special proof]](https://api.nga.gov/iiif/6467a0f7-a7ae-40fc-98b2-b27ea13e71b0/full/843,/0/default.jpg)
![Untitled [trial proof 2]](https://api.nga.gov/iiif/542feed8-6c1a-41fe-ba79-7b1f5bf2bf1d/full/843,/0/default.jpg)
![Figure 6 [proof]](https://api.nga.gov/iiif/36ad1814-d13d-4c68-9ae0-4cf556b8fdb6/full/843,/0/default.jpg)
