1939
National Gallery of Art, 1928
National Gallery of Art, 1870
National Gallery of Art, 1962
National Gallery of Art, 1972
National Gallery of Art, 1884
National Gallery of Art, 1970
National Gallery of Art, 1966
National Gallery of Art, 1441
National Gallery of Art, 1937
National Gallery of Art, 1547
National Gallery of Art, 1888
![Painting with Two Balls I [artist's proof]](https://api.nga.gov/iiif/d13d6177-e56c-431b-bcd5-77338df196ca/full/843,/0/default.jpg)
![Manuscript Pages [verso]](https://api.nga.gov/iiif/5c667271-380c-4026-8e1e-b4b752512885/full/843,/0/default.jpg)
![The Unanimous Declaration of the Thirteen United States of America [reverse]](https://api.nga.gov/iiif/1173b9aa-1205-4ffd-9f2b-301b019c567d/full/843,/0/default.jpg)
![Filippo Maria Visconti Riding in a Mountainous Landscape [reverse]](https://api.nga.gov/iiif/0d55d539-dcc4-4ac2-a93e-0cca0ec222b7/full/843,/0/default.jpg)
