2004–2005
Patrons' Permanent Fund, 1994
Patrons' Permanent Fund, 1973
Patrons' Permanent Fund, 1989
Patrons' Permanent Fund, 1972
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1979
Patrons' Permanent Fund, 1894
Patrons' Permanent Fund, 1968
Patrons' Permanent Fund, 1969
Patrons' Permanent Fund, 1620
Patrons' Permanent Fund, 1920
Patrons' Permanent Fund, 1985
![Four Panels from Untitled 1972 [D Panel, trial proof 5]](https://api.nga.gov/iiif/becb7e98-5af2-462f-ac2f-2a71f387dd96/full/843,/0/default.jpg)
![Crosshatch [trial proof]](https://api.nga.gov/iiif/e7a2ce50-cca4-4387-9f0c-ece2033185f2/full/843,/0/default.jpg)
![Zone [trial proof 5]](https://api.nga.gov/iiif/f02d1580-f201-4ac2-ab59-1fc5383bd57f/full/843,/0/default.jpg)
![Hatching and Flagstones [trial proof 2]](https://api.nga.gov/iiif/e8cc1ee1-4316-42f6-9653-30eda965dbc2/full/843,/0/default.jpg)
![Untitled, Second State (Ruler and Fork) [state proof of 3rd state]](https://api.nga.gov/iiif/f17eb6de-0e9b-4b83-8262-4213ad072c3f/full/843,/0/default.jpg)
![Ventriloquist [working proof]](https://api.nga.gov/iiif/68aeeaa3-a9e8-4b1e-a8c8-549eabf65e41/full/843,/0/default.jpg)