1770
Patrons' Permanent Fund, 1968
Patrons' Permanent Fund, 1965
Patrons' Permanent Fund, 1995
Patrons' Permanent Fund, 1978
Patrons' Permanent Fund, 1991
Patrons' Permanent Fund, 1969
Patrons' Permanent Fund, 1964
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1997
Patrons' Permanent Fund, 1936
Patrons' Permanent Fund, 2001
Patrons' Permanent Fund, 1981
![Untitled (Purple Mezzotint) [trial proof M]](https://api.nga.gov/iiif/274a96d4-58ac-4e62-b43a-8d3e42a90a75/full/843,/0/default.jpg)
![Untitled [proof of center element]](https://api.nga.gov/iiif/7acfbaf4-5b8b-45be-991b-6b88f2eb8697/full/843,/0/default.jpg)
![Figure 8 [working proof]](https://api.nga.gov/iiif/70cca2fe-69ea-4479-a3fc-b0d6032dd52f/full/843,/0/default.jpg)
![Untitled II [trial proof]](https://api.nga.gov/iiif/8b4b72ac-62b5-4fa2-a6e4-28bcfa584c36/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/6344aa1f-5328-4a8f-bcf9-69f8e10ef9d3/full/843,/0/default.jpg)
![Untitled [working proof]](https://api.nga.gov/iiif/b2f74da4-6609-4cbb-87d2-8da8b6e50845/full/843,/0/default.jpg)
