1979–1981
Christine Fox, 1979
Gemini G.E.L., 1975
Gemini G.E.L., 1969
Gemini G.E.L., 1994
Gemini G.E.L., 1999
Gemini G.E.L., 1968
Gemini G.E.L., 1991
Gemini G.E.L., 1978
Gemini G.E.L., 2004
Gemini G.E.L., 1973
![Door [special proof]](https://api.nga.gov/iiif/99469b19-96e5-4457-977d-218048965aa9/full/843,/0/default.jpg)
![Sea Group [special proof]](https://api.nga.gov/iiif/6cc5100b-0653-42aa-ba28-dae3deb6d80c/full/843,/0/default.jpg)
![Alphabet [trial proof 1]](https://api.nga.gov/iiif/436f8394-b01e-45f3-899d-201748ebefa2/full/843,/0/default.jpg)
![Figure 6 [trial proof]](https://api.nga.gov/iiif/99d11251-16e4-45a2-becd-ca218d8c460b/full/843,/0/default.jpg)
![Figure 9 [trial proof]](https://api.nga.gov/iiif/af957deb-7c45-4369-8638-4c2240390375/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 22]](https://api.nga.gov/iiif/df57963a-61bd-4201-a557-e98a477a446d/full/843,/0/default.jpg)