1829–1839
Patrons' Permanent Fund, 1981
Patrons' Permanent Fund, 1972
Patrons' Permanent Fund, 1943
Patrons' Permanent Fund, 1860
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1971
Patrons' Permanent Fund, 1959
Patrons' Permanent Fund, 1982
Patrons' Permanent Fund, 1964
Stiftung Ratjen, 1870
![Cicada [trial proof]](https://api.nga.gov/iiif/a55ff16f-5be5-4796-8883-c8cf9ca2b643/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/98ee54a4-19f2-4f29-aac6-0efb041360d4/full/843,/0/default.jpg)
![#2 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/f8336ef6-463f-4bfc-999d-c556bf307b22/full/843,/0/default.jpg)
![Leg and Chair [working proof]](https://api.nga.gov/iiif/9bb4f4d5-cf67-4231-9450-372dfefd233c/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/8d19bb05-4941-458f-a3b1-68c12fad8c0f/full/843,/0/default.jpg)
