1895
National Gallery of Art, 1954
National Gallery of Art, 1980
National Gallery of Art, 1634
National Gallery of Art, 1509
National Gallery of Art, 1946
National Gallery of Art, 1926
National Gallery of Art, 1554
National Gallery of Art, 1736
National Gallery of Art, 1900
National Gallery of Art, 1884
National Gallery of Art, 1941
National Gallery of Art, 1935
![begonnene Skizze, wohl zweier Köpfe (Initial Sketch) [p. 15]](https://api.nga.gov/iiif/4cf44ce6-b646-498d-9e46-685543c62259/full/843,/0/default.jpg)
