1987–1988
Gemini G.E.L., 1981
Serge Lozingot, 1977
Serge Lozingot, 1973
Gemini G.E.L., 1969
Gemini G.E.L., 1971
Ellsworth Kelly, 1964
Gemini G.E.L., 1994
Claudio Stickar, 1991
Gemini G.E.L., 1973
Gemini G.E.L., 1974
Gemini G.E.L., 1968
![Cicada [trial proof]](https://api.nga.gov/iiif/ddabcabe-e827-4cfa-8334-cdc4856a6b6f/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 2]](https://api.nga.gov/iiif/5f0832b0-9e72-4685-924a-f450f72c585f/full/843,/0/default.jpg)
![Figure 5 [working proof]](https://api.nga.gov/iiif/87717a23-7d84-4c64-afcc-fab350d37fb1/full/843,/0/default.jpg)
![Cicada [working proof]](https://api.nga.gov/iiif/5ee0fd90-9ba0-43b8-aa62-d1bccdb9cd28/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, working proof 2]](https://api.nga.gov/iiif/115d1c97-1fd4-46bf-8c28-e6dde9c9d8ec/full/843,/0/default.jpg)
