1975
Gemini G.E.L., 1972
Gemini G.E.L., 1970
Bruce Nauman, 1994
Gemini G.E.L., 1969
Benjamin B. Smith, 1975
Gemini G.E.L., 1971
Gemini G.E.L., 1986
Bruce Nauman, 1985
Gemini G.E.L., 1976
Gemini G.E.L., 1989
Gemini G.E.L., 1991
![Figure 1 [trial proof]](https://api.nga.gov/iiif/5bcc8798-49f6-4870-bf43-854c8262150e/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 9]](https://api.nga.gov/iiif/e151773e-2345-494d-9bb9-e9a9cbc82d1a/full/843,/0/default.jpg)
