1958–1959
National Gallery of Art, 1400
National Gallery of Art, 1837
National Gallery of Art, 1964
National Gallery of Art, 1836
National Gallery of Art, 1988
National Gallery of Art, 1884
National Gallery of Art, 1470
National Gallery of Art, 1936
National Gallery of Art, 1717
National Gallery of Art, 1956
National Gallery of Art, 1750
National Gallery of Art, 1968
![Giovanni Sforza, 1466-1510, Lord of Pesaro [obverse]](https://api.nga.gov/iiif/8f27f89f-7da3-4c1c-aa82-4cd95b94c30f/full/843,/0/default.jpg)
![Begonnenes Skizze (Sketch of Face) [p. 9]](https://api.nga.gov/iiif/749de5df-39f2-4de3-846c-a17d52b0166a/full/843,/0/default.jpg)
![Studies of Crowing Rooster and Reclining Figures [recto and verso]](https://api.nga.gov/iiif/e4ed4836-2523-4fbe-98a1-648042be917c/full/843,/0/default.jpg)
