1940–2007
Patrons' Permanent Fund, 1965
Patrons' Permanent Fund, 1987
Patrons' Permanent Fund, 1997
Patrons' Permanent Fund, 1976
Zwirner & Wirth, 1941
Patrons' Permanent Fund, 1969
Patrons' Permanent Fund, 1989
Patrons' Permanent Fund, 1600
Patrons' Permanent Fund, 2000
![The Seasons (Summer) [trial proof]](https://api.nga.gov/iiif/c0a676d9-f52c-4ed2-8ae3-060147beb55b/full/843,/0/default.jpg)
![Untitled [state proof of 4th state]](https://api.nga.gov/iiif/2a5da183-3273-4ef0-aac9-88de05e7d7ce/full/843,/0/default.jpg)
![Corpse and Mirror [verso] [trial proof]](https://api.nga.gov/iiif/d67a8b41-4fc8-4225-a0bc-e44c72891bb4/full/843,/0/default.jpg)
![The Seasons [trial proof E]](https://api.nga.gov/iiif/012fb9bc-1e8b-4106-96b3-01161a8cb86d/full/843,/0/default.jpg)
![Untitled [Spacing of Plates] [trial proof]](https://api.nga.gov/iiif/3740be7c-9283-4715-9b06-ed3dd618ef4c/full/843,/0/default.jpg)
![Words [trial proof 2]](https://api.nga.gov/iiif/a8f6aade-8ce1-4730-916a-dfbd5dc51b7e/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/420ecd06-d4f4-4717-a6bb-3768ceb2c77b/full/843,/0/default.jpg)
![Untitled, Second State (Ruler and Fork) [trial proof]](https://api.nga.gov/iiif/72e75b74-7fee-43be-8125-672e0c4e9158/full/843,/0/default.jpg)