1780–1790
National Gallery of Art, 1635
National Gallery of Art, 1858
National Gallery of Art, 1949
Bruce Fund, Ailsa Mellon, 1551
National Gallery of Art, 1519
National Gallery of Art, 1974
National Gallery of Art, 1831
National Gallery of Art, 1981
National Gallery of Art, 1859
National Gallery of Art, 1937
National Gallery of Art, 1764
National Gallery of Art, 1755
![Sheet of Studies [recto and verso]](https://api.nga.gov/iiif/b671aa80-e9a2-4e3e-976e-de933ffaa32e/full/843,/0/default.jpg)