1743
National Gallery of Art, 1800
National Gallery of Art, 1877
National Gallery of Art, 1960
National Gallery of Art, 1884
National Gallery of Art, 1924
National Gallery of Art, 2007
National Gallery of Art, 1724
National Gallery of Art, 1647
National Gallery of Art, 1578
National Gallery of Art, 1939
National Gallery of Art, 1929
National Gallery of Art, 1938
![begonnene Skizze, wohl zweier Köpfe (Initial Sketch) [p. 15]](https://api.nga.gov/iiif/4cf44ce6-b646-498d-9e46-685543c62259/full/843,/0/default.jpg)
![Untitled [Ref. #68]](https://api.nga.gov/iiif/cdb9c05b-6d62-47ac-9385-61e829157743/full/843,/0/default.jpg)
