1978
Patrons' Permanent Fund, 1981
Patrons' Permanent Fund, 1855
Patrons' Permanent Fund, 1889
Dieter Appelt, 1977
Patrons' Permanent Fund, 1820
Patrons' Permanent Fund, 1986
Patrons' Permanent Fund, 1970
Patrons' Permanent Fund, 1973
Joshua P. Smith, 1982
Patrons' Permanent Fund, 1977
Patrons' Permanent Fund, 1972
![Cicada [trial proof]](https://api.nga.gov/iiif/c6cdbefd-6267-460f-a64c-61cf26839e9a/full/843,/0/default.jpg)
![Winter [trial proof]](https://api.nga.gov/iiif/215ac5a6-492e-4792-96f8-f840945f3d0f/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [A panel, trial proof 1]](https://api.nga.gov/iiif/299c4e6f-b5d0-40d3-b16b-d644cc9f0bc8/full/843,/0/default.jpg)
