1755–1826
National Gallery of Art, 1922
National Gallery of Art, 1513
National Gallery of Art, 1957
National Gallery of Art, 1484
National Gallery of Art, 1962
Rosenwald, Lessing Julius, 1962
National Gallery of Art, 1920
Rosenwald, Lessing Julius, 1549
National Gallery of Art, 1847
Rosenwald, Lessing Julius, 1883
National Gallery of Art, 1955
National Gallery of Art, 1824
![Sheet of Studies [recto and verso]](https://api.nga.gov/iiif/137689ee-6c6e-44d3-98e6-9e3eca5e00be/full/843,/0/default.jpg)
![A Marble Horse on the Quirinal Hill [recto]](https://api.nga.gov/iiif/2195c23f-cbc9-4d67-82e9-fbc6be7a4335/full/843,/0/default.jpg)
