1973
Patrons' Permanent Fund, 1988
Patrons' Permanent Fund, 1976
Richard Tuttle, 1974
Patrons' Permanent Fund, 1964
Patrons' Permanent Fund, 1995
Ailsa Mellon Bruce Fund, 1871
Vogel, Herbert, Mr. and Mrs., 1974
Patrons' Permanent Fund, 1973
Patrons' Permanent Fund, 1928
Patrons' Permanent Fund, 1860
Patrons' Permanent Fund, 1994
Ailsa Mellon Bruce Fund, 1842
![Flagstones (b) [trial proof 5]](https://api.nga.gov/iiif/f2f0d4be-7946-4ccf-afec-5d35cd69c5d7/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 21]](https://api.nga.gov/iiif/88639f9d-c76f-40ef-9bfe-e0e9a85d758e/full/843,/0/default.jpg)
![After Holbein [working proof]](https://api.nga.gov/iiif/100a0827-425a-49ba-8c4b-dbc0cde96927/full/843,/0/default.jpg)
