1918–1992
National Gallery of Art, 1455
National Gallery of Art, 1937
National Gallery of Art, 1960
National Gallery of Art, 1951
National Gallery of Art, 1899
National Gallery of Art, 1967
National Gallery of Art, 1990
National Gallery of Art, 1441
National Gallery of Art, 1935
National Gallery of Art, 1884
National Gallery of Art, 1942
National Gallery of Art, 1941
![Leonello d'Este, 1407-1450, Marquess of Ferrara 1441 [obverse]](https://api.nga.gov/iiif/58cb7c40-e9d3-4ab3-a06f-a2f6cf5ada57/full/843,/0/default.jpg)
![Drei Figuren (Three Figures) [p. 7]](https://api.nga.gov/iiif/262a4e48-afe6-4dbd-86bd-aead9a996cdc/full/843,/0/default.jpg)
