1894
National Gallery of Art, 1992
National Gallery of Art, 1935
National Gallery of Art, 1844
National Gallery of Art, 1914
National Gallery of Art, 1939
National Gallery of Art, 1521
National Gallery of Art, 1969
National Gallery of Art, 1945
National Gallery of Art, 1922
National Gallery of Art, 1884
National Gallery of Art, 1630
National Gallery of Art, 1938
![Figure 5 [trial proof]](https://api.nga.gov/iiif/3c6381f9-6897-4af8-b288-bf83587aeb83/full/843,/0/default.jpg)
![Zwei begonnene Studien von Gesichtern (Sketches of Faces) [p. 50]](https://api.nga.gov/iiif/65b33eb2-40b6-4f48-a4b2-98ba4a0103b2/full/843,/0/default.jpg)
