1942–1975
Patrons' Permanent Fund, 1986
Patrons' Permanent Fund, 1978
Patrons' Permanent Fund, 1977
Patrons' Permanent Fund, 1973
Patrons' Permanent Fund, 1965
Patrons' Permanent Fund, 1858
Patrons' Permanent Fund, 1991
Patrons' Permanent Fund, 1994
Michael Cohen, 1936
Michael Cohen, 1970
Patrons' Permanent Fund, 1983
Patrons' Permanent Fund, 1992
![Winter [trial proof]](https://api.nga.gov/iiif/0a3f44bb-92d7-4656-b33a-4fe8e1605408/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 2]](https://api.nga.gov/iiif/5f0832b0-9e72-4685-924a-f450f72c585f/full/843,/0/default.jpg)
![Untitled (American Center) [trial proof]](https://api.nga.gov/iiif/645398de-d6b0-4549-a2e4-5d9575a45885/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/e5e496cd-de3a-46d6-a81b-ecfad4ddcf17/full/843,/0/default.jpg)