1972
Patrons' Permanent Fund, 1967
Patrons' Permanent Fund, 1965
Patrons' Permanent Fund, 1987
Patrons' Permanent Fund, 1866
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1986
Zwirner & Wirth, 1934
Patrons' Permanent Fund, 1940
Patrons' Permanent Fund, 1928
Patrons' Permanent Fund, 1994
![The Seasons (Spring) [element in black proof 5]](https://api.nga.gov/iiif/dd3ecb63-fd9e-40f0-90e5-1fa05b67ce7c/full/843,/0/default.jpg)
![Untitled II [trial proof]](https://api.nga.gov/iiif/427dc4f3-968f-44aa-ba7a-409f8f47c204/full/843,/0/default.jpg)
![The Seasons (Fall) [state proof of 5th state]](https://api.nga.gov/iiif/b3fa75bb-03d1-4353-924c-5e8e5c1646a8/full/843,/0/default.jpg)
![Figure 4 [trial proof 1]](https://api.nga.gov/iiif/2b357725-f465-4d41-9963-d79f6f2a4316/full/843,/0/default.jpg)
![Green Angel 2 Experimental Lithos [trial proof (litho)]](https://api.nga.gov/iiif/65ab66a9-6572-48df-b11a-48a2d07f32cf/full/843,/0/default.jpg)