1952–1953
National Gallery of Art, 1916
National Gallery of Art, 1950
National Gallery of Art, 1788
National Gallery of Art, 1884
National Gallery of Art, 1755
National Gallery of Art, 1903
National Gallery of Art, 1888
National Gallery of Art, 1956
National Gallery of Art, 1962
National Gallery of Art, 1862
National Gallery of Art, 1937
National Gallery of Art, 1782
![Variation [verso]](https://api.nga.gov/iiif/a3477133-8f10-4c1e-885b-5c41f96339e0/full/843,/0/default.jpg)
![Sheet of Studies [recto and verso]](https://api.nga.gov/iiif/45da7434-c35a-4548-973e-ad071fb2b18d/full/843,/0/default.jpg)
![Bernini Fountain, Rome [recto]](https://api.nga.gov/iiif/207f7a4f-25fd-4251-a2ad-01e899c3c99c/full/843,/0/default.jpg)
