1987
National Gallery of Art, 1828
National Gallery of Art, 1938
National Gallery of Art, 1958
National Gallery of Art, 1947
National Gallery of Art, 1909
National Gallery of Art, 1949
National Gallery of Art, 1994
National Gallery of Art, 1857
National Gallery of Art, 1997
National Gallery of Art, 1663
National Gallery of Art, 1939
![Study for Piazza Rotonda [working proof 2]](https://api.nga.gov/iiif/8a280c0e-3269-459b-bd95-0e19635ffa67/full/843,/0/default.jpg)
![Untitled [trial proof of 4th state]](https://api.nga.gov/iiif/35b81bb4-7faa-4407-8992-a0537e23ef66/full/843,/0/default.jpg)
