1980–1981
Gemini G.E.L., 1991
Gemini G.E.L., 1978
Gemini G.E.L., 1989
Gemini G.E.L., 1971
Gemini G.E.L., 1976
Gemini G.E.L., 1973
Gemini G.E.L., 1969
![Drypoint Gamma [special proof]](https://api.nga.gov/iiif/9abd8b66-c637-403e-bf5d-3a9356709bff/full/843,/0/default.jpg)
![Bookplate for the Friends of the Sarah Lawrence College Library [trial proof]](https://api.nga.gov/iiif/242b8609-fd0a-4bc0-9c48-431767b8d0f4/full/843,/0/default.jpg)
![#2 (after 'Untitled 1975') [working proof]](https://api.nga.gov/iiif/bf75681a-a9c3-4037-8707-30a0b6a30f1e/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D Panel, trial proof 5]](https://api.nga.gov/iiif/becb7e98-5af2-462f-ac2f-2a71f387dd96/full/843,/0/default.jpg)
![Figure 0 [experimental proof]](https://api.nga.gov/iiif/8b7833fc-4575-4d90-823e-5ce94f37f8ce/full/843,/0/default.jpg)
![Coathanger and Spoon [proof]](https://api.nga.gov/iiif/349401ac-7c1a-44b3-b5f1-15064ec2ee4c/full/843,/0/default.jpg)