1972–1973
Gemini G.E.L., 2000
Gemini G.E.L., 1969
Gemini G.E.L., 1967
Gemini G.E.L., 1999
Gemini G.E.L., 1981
Bruce Nauman, 1966
Bruce Nauman, 1941
Daniel Freeman, 1969
Gemini G.E.L., 1970
Gemini G.E.L., 1978
![Figure 5 [working proof]](https://api.nga.gov/iiif/e6d60deb-19f5-4b34-baee-8be39d5ea772/full/843,/0/default.jpg)
