1969–1970
Gemini G.E.L., 1973
Andrew Vlady, 1969
Robert Rauschenberg, 1996
Gemini G.E.L., 1967
Gemini G.E.L., 1974
Robert Rauschenberg, 1968
Gemini G.E.L., 1979
Gemini G.E.L., 1977
Robert Rauschenberg, 1983
Gemini G.E.L., 1991
Robert Rauschenberg, 1990
![Door [special proof]](https://api.nga.gov/iiif/99469b19-96e5-4457-977d-218048965aa9/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/d9319724-c827-4a32-8cba-2b0695611043/full/843,/0/default.jpg)
![French Horn Player (with Three Contexts—One Uncoded) [special proof]](https://api.nga.gov/iiif/b1afcd7a-c54d-4974-b581-19f35d6d6407/full/843,/0/default.jpg)
