1961
National Gallery of Art, 1935
National Gallery of Art, 1815
National Gallery of Art, 1978
National Gallery of Art, 1963
National Gallery of Art, 1550
National Gallery of Art, 1899
Frank, Robert, 1951
National Gallery of Art, 1930
National Gallery of Art, 1955
National Gallery of Art, 1938
National Gallery of Art, 1793
National Gallery of Art, 1903
![The Fountain of Virtue [reverse]](https://api.nga.gov/iiif/395f3fe6-7c46-4529-9d3d-5ab1ac1df7e3/full/843,/0/default.jpg)
![Untitled [female nude reclining on a bed]](https://api.nga.gov/iiif/907a0372-aab4-4c04-8d0a-75d8918c3721/full/843,/0/default.jpg)
![Fragment of cancelled plate for "A Prophecy" [recto]](https://api.nga.gov/iiif/8592a8d3-7986-4b62-9f08-c092006d597f/full/843,/0/default.jpg)
![Landscape with Mountains [verso]](https://api.nga.gov/iiif/a0b5b3c5-b40f-4ac0-9a1e-b77a8ac99c74/full/843,/0/default.jpg)