1884–1950
National Gallery of Art, 1402
National Gallery of Art, 1923
National Gallery of Art, 1880
National Gallery of Art, 1988
National Gallery of Art, 1755
National Gallery of Art, 1942
National Gallery of Art, 1622
National Gallery of Art, 1941
National Gallery of Art, 1510
National Gallery of Art, 1540
National Gallery of Art, 1861
![Zwei Figuren und ein Gesicht (Two Figures and a Face) [p. 47]](https://api.nga.gov/iiif/7ffc30c4-0e8e-4c3d-95dc-24a4c6e7f581/full/843,/0/default.jpg)
![Constantine the Great, Roman Emperor 307-337 [obverse]](https://api.nga.gov/iiif/bb58434d-30c7-4b82-bcfc-6ec72c577644/full/843,/0/default.jpg)
![Sheet of Studies [recto and verso]](https://api.nga.gov/iiif/7aca4c7c-0c9b-4a4d-9cb1-05386395ed46/full/843,/0/default.jpg)
