1823
Patrons' Permanent Fund, 1996
Patrons' Permanent Fund, 1966
Patrons' Permanent Fund, 1980
Patrons' Permanent Fund, 1992
Patrons' Permanent Fund, 1850
Patrons' Permanent Fund, 1962
Patrons' Permanent Fund, 1788
Stiftung Ratjen, 1870
Patrons' Permanent Fund, 1973
Patrons' Permanent Fund, 1839
Patrons' Permanent Fund, 1775
Patrons' Permanent Fund, 1981
![Untitled [trial proof of 2nd state]](https://api.nga.gov/iiif/6cd401cd-e99a-4ce3-b8b2-5b398b651196/full/843,/0/default.jpg)
![Ruler [trial proof]](https://api.nga.gov/iiif/e545e02a-0c94-45c6-91d0-8802c7b5629a/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 20]](https://api.nga.gov/iiif/9bc1ca02-7ebf-463d-9bf3-257d49b4711b/full/843,/0/default.jpg)
![Cicada [working proof]](https://api.nga.gov/iiif/7ca698ef-4fe1-47c6-8692-a0685a1afc09/full/843,/0/default.jpg)