1990
National Gallery of Art, 1752
National Gallery of Art, 1977
National Gallery of Art, 1620
National Gallery of Art, 1884
National Gallery of Art, 1968
National Gallery of Art, 1991
National Gallery of Art, 1575
National Gallery of Art, 1653
National Gallery of Art, 1853
National Gallery of Art, 1894
National Gallery of Art, 1973
National Gallery of Art, 1939
![Drei hagere Akte (Three Nude Figures) [p. 29]](https://api.nga.gov/iiif/c94f3fa9-b110-4220-adb4-9a858e947684/full/843,/0/default.jpg)
![Untitled [proof of center element]](https://api.nga.gov/iiif/7acfbaf4-5b8b-45be-991b-6b88f2eb8697/full/843,/0/default.jpg)
![Opening of the Porta Santa [reverse]](https://api.nga.gov/iiif/edb9be78-a870-4bac-8b5d-328132f6886e/full/843,/0/default.jpg)
