1971
Gemini G.E.L., 1969
Gemini G.E.L., 2000
Gemini G.E.L., 1968
Gemini G.E.L., 1986
Gemini G.E.L., 1973
Gemini G.E.L., 1981
Gemini G.E.L., 1976
Gemini G.E.L., 1977
Gemini G.E.L., 1966
![Figure 6 [trial proof]](https://api.nga.gov/iiif/1292cd6e-16a7-4824-9702-6ad37bd7f254/full/843,/0/default.jpg)
![What Is a Family? [special proof]](https://api.nga.gov/iiif/16f1051c-5b30-4109-ba14-919c773a8612/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 18]](https://api.nga.gov/iiif/c7fc7c75-e8b6-48a5-8b17-96f66dbdce9f/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/789ca858-4b3d-4a1a-8c56-3d8bcfe15149/full/843,/0/default.jpg)
![Figure 9 [trial proof]](https://api.nga.gov/iiif/b798700d-5a2c-4174-85b8-4f9789606427/full/843,/0/default.jpg)
![Bookplate for David Grainger Whitney [trial proof]](https://api.nga.gov/iiif/f200927e-d734-46c7-81db-c0e9800f15e1/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 8]](https://api.nga.gov/iiif/2e7abb66-a6d9-493c-93f8-39e87ac94f7a/full/843,/0/default.jpg)
