1985
National Gallery of Art, 1610
National Gallery of Art, 1981
National Gallery of Art, 1635
National Gallery of Art, 1936
National Gallery of Art, 1935
National Gallery of Art, 1972
National Gallery of Art, 1893
National Gallery of Art, 1895
National Gallery of Art, 1681
anonymous, 1906
National Gallery of Art, 1456
![Untitled [2] from 8 Erfahrungen (8 Experiences)](https://api.nga.gov/iiif/91860c65-083d-4f93-8120-231eaa0509a4/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/9c42b76d-c997-468c-aed0-01333e425774/full/843,/0/default.jpg)
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/f25ed8ee-67a1-4e33-b136-160f6e2484e1/full/843,/0/default.jpg)