1968
Frank Stella, 1970
Gemini G.E.L., 1980
James Webb, 1969
Gemini G.E.L., 1993
Gemini G.E.L., 1978
Gemini G.E.L., 1979
Gemini G.E.L., 1968
Gemini G.E.L., 1973
Gemini G.E.L., 1972
Gemini G.E.L., 1990
![Figure 5 [working proof]](https://api.nga.gov/iiif/e6d60deb-19f5-4b34-baee-8be39d5ea772/full/843,/0/default.jpg)
![Figure 8 [trial proof]](https://api.nga.gov/iiif/5fdf5575-6697-4c6a-9532-93c7913936d7/full/843,/0/default.jpg)
![Car [special proof]](https://api.nga.gov/iiif/5763f76b-2cfd-424c-b4c4-b883d1ac140a/full/843,/0/default.jpg)
![Zone [trial proof 6]](https://api.nga.gov/iiif/39ebf91c-690c-4ad3-825f-2dc12d0f6dd2/full/843,/0/default.jpg)
