1942–2007
Glenstone, 1976
Zwirner & Wirth, 1988
Michael Cohen, 1969
Glenstone, 1973
Glenstone, 1975
Glenstone, 1980
![Buttocks and Knee [trial proof 3]](https://api.nga.gov/iiif/7b70c94d-0db0-4f8b-8fc7-28d4968f6924/full/843,/0/default.jpg)
![Corpse and Mirror [trial proof]](https://api.nga.gov/iiif/194d8a53-8da8-4419-a87d-4978b81665db/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, working proof 19]](https://api.nga.gov/iiif/55def8fa-c2e8-48da-b9b6-3c8ae179fe88/full/843,/0/default.jpg)
![Untitled (State Proofs and Proofs of Numbers) [state proof]](https://api.nga.gov/iiif/0b268ed2-e07f-45de-a340-df97f0251165/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 20]](https://api.nga.gov/iiif/9bc1ca02-7ebf-463d-9bf3-257d49b4711b/full/843,/0/default.jpg)
![Figure 5 [trial proof 1]](https://api.nga.gov/iiif/6ec8e0d8-b9cf-4a66-9ba0-03ea1c975732/full/843,/0/default.jpg)
![9 [trial proof]](https://api.nga.gov/iiif/91ac49dc-debe-4b22-8167-7c975c624b27/full/843,/0/default.jpg)
![3 [trial proof]](https://api.nga.gov/iiif/2aed50d7-e4a9-4b53-b5a3-728106d301a4/full/843,/0/default.jpg)
![Two Flags [trial proof D]](https://api.nga.gov/iiif/b8cbc60f-5bad-4069-be4e-bf1814e92014/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [B panel trial proof 1]](https://api.nga.gov/iiif/96e53c7e-6bbd-4e32-b971-596176ddf6ee/full/843,/0/default.jpg)