1942–2007
Glenstone, 1973
Glenstone, 1977
Dan Graham, 1966
Glenstone, 1976
Michael Cohen, 1972
Michael Cohen, 1962
Michael Cohen, 1979
Glenstone, 1980
Glenstone, 1975
Glenstone, 1978
![Four Panels from Untitled 1972 [C panel, trial proof 5]](https://api.nga.gov/iiif/3b3f0ca3-37fd-4885-a4b7-78a02265e09f/full/843,/0/default.jpg)
![Savarin and Savarin E.M. [trial proof]](https://api.nga.gov/iiif/9dc6dcaa-3585-47f1-aa9a-7c7c76c24d4f/full/843,/0/default.jpg)
![Face [trial proof 4]](https://api.nga.gov/iiif/0d1040d8-39df-4a64-83de-d0410e93347a/full/843,/0/default.jpg)
![Words [trial proof 3]](https://api.nga.gov/iiif/8bb5a802-56dd-40db-a5ce-6264fed05b74/full/843,/0/default.jpg)
![Target with Plaster Casts [state proof of 5th state]](https://api.nga.gov/iiif/a9345bdc-5442-4726-a7c1-3a59696efb11/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)
![Savarin 1 (Cookie) [trial proof]](https://api.nga.gov/iiif/e8568332-ac76-4a46-9d8d-ab58fec8613f/full/843,/0/default.jpg)