1921–1939
Patrons' Permanent Fund, 1969
Patrons' Permanent Fund, 1975
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1928
Patrons' Permanent Fund, 1981
Patrons' Permanent Fund, 1964
Patrons' Permanent Fund, 1965
Patrons' Permanent Fund, 1963
Patrons' Permanent Fund, 1995
![Figure 1 [color trial proof]](https://api.nga.gov/iiif/3d8bad5d-e790-453d-81ec-5b37faaa4e5e/full/843,/0/default.jpg)
![Flagstones and Casts [trial proof]](https://api.nga.gov/iiif/654e4307-2cc3-435f-a649-20537d74d7c0/full/843,/0/default.jpg)
![Pinion [working proof]](https://api.nga.gov/iiif/1866f8ff-e169-4e94-927d-6e49a6b9092c/full/843,/0/default.jpg)
![Untitled (White Mezzotint) [trial proof]](https://api.nga.gov/iiif/b06329f3-9d80-4578-97b9-e72aedb0c0ab/full/843,/0/default.jpg)
![Feet (b) [trial proof 7]](https://api.nga.gov/iiif/d6e0c5b1-fa3a-4141-b2d6-690669029547/full/843,/0/default.jpg)