1925–1935
Patrons' Permanent Fund, 1964
Patrons' Permanent Fund, 1966
Patrons' Permanent Fund, 1997
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1915
Patrons' Permanent Fund, 1973
Patrons' Permanent Fund, 1979
Dan and Mary Solomon, 1968
Dan and Mary Solomon, 1850
![Two Maps I [trial proof]](https://api.nga.gov/iiif/09ea197d-e9c9-4940-b850-e633ea462150/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/b8aba820-388c-46c4-9c4c-e88a427dd0ff/full/843,/0/default.jpg)
![Rejected Plate [trial proof]](https://api.nga.gov/iiif/70399619-cc0c-4fa0-bee9-71fa55f972c5/full/843,/0/default.jpg)
![Figure 4 [trial proof 8]](https://api.nga.gov/iiif/12e9355d-8cb4-48ba-9209-9def12f9e068/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 1]](https://api.nga.gov/iiif/ca0ff351-9b7b-4832-839e-6aa42a454366/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/6a97fe22-9312-437c-a099-38e5f6084dc5/full/843,/0/default.jpg)
![Hatching [trial proof 3]](https://api.nga.gov/iiif/80559521-e1a0-4e30-9814-248bb62b5f7e/full/843,/0/default.jpg)