1976
Patrons' Permanent Fund, 1928
Patrons' Permanent Fund, 1975
Glenstone, 1976
Patrons' Permanent Fund, 1973
Pappajohn, John, Mr. and Mrs., 1975
Patrons' Permanent Fund, 1850
Jasper Johns, 1987
Jasper Johns, 1997
Sant, Roger, Mr. and Mrs., 1976
Sant, Roger, Mr. and Mrs., 1973
Pappajohn, John, Mr. and Mrs., 1973
Aldo Crommelynck, 1979
![Figure 4 [trial proof 7]](https://api.nga.gov/iiif/a862b9ab-08a0-4996-a90e-6402fdb1ddaf/full/843,/0/default.jpg)
![Untitled (State Proofs and Proofs of Numbers) [state proof]](https://api.nga.gov/iiif/e87f8590-6168-4621-978a-f4f30681de58/full/843,/0/default.jpg)
![Corpse and Mirror [trial proof]](https://api.nga.gov/iiif/194d8a53-8da8-4419-a87d-4978b81665db/full/843,/0/default.jpg)
![Ale Cans [trial proof E]](https://api.nga.gov/iiif/decef2a7-e8fd-4a37-8e42-4c4554cd8688/full/843,/0/default.jpg)
![The Seasons (Spring) [state proof of 2nd state]](https://api.nga.gov/iiif/c53ceee0-dcda-41ed-bec6-a756ad31c1aa/full/843,/0/default.jpg)
![Untitled [proof]](https://api.nga.gov/iiif/bc285c43-2275-4578-b8ae-7845688640b3/full/843,/0/default.jpg)
![Feet [proof]](https://api.nga.gov/iiif/882109e8-0d3b-4fb3-8fcf-e1374e4df7d9/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 28]](https://api.nga.gov/iiif/f05fd575-87ee-4d47-a89c-7e21e39425e8/full/843,/0/default.jpg)
![Land's End [trial proof]](https://api.nga.gov/iiif/1be1a78a-7dba-4f4b-90bc-19a6195a847e/full/843,/0/default.jpg)