1769–1771
National Gallery of Art, 1971
National Gallery of Art, 1927
National Gallery of Art, 1879
National Gallery of Art, 1579
National Gallery of Art, 1600
O'Brien, John, Mr., 1765
National Gallery of Art, 1937
National Gallery of Art, 1855
National Gallery of Art, 1934
National Gallery of Art, 1500
National Gallery of Art, 1514
![Begonnenes Gesicht (Initial Sketch of a Face) [p. 37]](https://api.nga.gov/iiif/19044b00-a041-49c2-bf7e-7d1f3e8b6f9a/full/843,/0/default.jpg)
