1940–1944
Patrons' Permanent Fund, 1960
Patrons' Permanent Fund, 1997
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1928
Patrons' Permanent Fund, 1947
Patrons' Permanent Fund, 1995
Patrons' Permanent Fund, 1964
Patrons' Permanent Fund, 1939
Patrons' Permanent Fund, 1623
Patrons' Permanent Fund, 1649
Patrons' Permanent Fund, 1969
![Hatching and Flagstones [trial proof 6]](https://api.nga.gov/iiif/33204de5-2529-4918-a4c3-3e8fe046d1b2/full/843,/0/default.jpg)
![Untitled (Orange Mezzotint) [trial proof F]](https://api.nga.gov/iiif/75271b49-23e8-45e5-95a3-e53ff534af5b/full/843,/0/default.jpg)
![Flagstones and Flagstones [trial proof 1]](https://api.nga.gov/iiif/c7c51d6d-0e8e-416f-8d46-c6590299f156/full/843,/0/default.jpg)
![Figure 7 [trial proof]](https://api.nga.gov/iiif/f8b1a634-b575-4de8-8a02-6941a9c8338b/full/843,/0/default.jpg)