1997
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1972
Patrons' Permanent Fund, 1995
Lee and Maria Friedlander, 1965
Patrons' Permanent Fund, 2001
Lee and Maria Friedlander, 1996
Patrons' Permanent Fund, 1978
Lee Friedlander, 1976
Patrons' Permanent Fund, 1850
Lee Friedlander, 1997
Patrons' Permanent Fund, 1911
![Flagstones and Casts [trial proof]](https://api.nga.gov/iiif/875ac74c-d72a-4e57-acc2-1b2211ba3e57/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/e0c7a0ce-d1f9-4b47-8a72-7bdca0154a58/full/843,/0/default.jpg)
![Untitled (Purple Mezzotint) [trial proof]](https://api.nga.gov/iiif/edddad95-76bf-475d-b306-988650f811a6/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/72333c86-56ba-4124-80c1-2fbdc086db56/full/843,/0/default.jpg)
![Savarin 1 (Cookie) [trial proof]](https://api.nga.gov/iiif/e8568332-ac76-4a46-9d8d-ab58fec8613f/full/843,/0/default.jpg)
![Figure 4 [trial proof 6]](https://api.nga.gov/iiif/6e3b92c2-d9a5-474b-968a-884010a30ab6/full/843,/0/default.jpg)
