1936–1937
National Gallery of Art, 1910
National Gallery of Art, 1589
National Gallery of Art, 1976
National Gallery of Art, 1958
National Gallery of Art, 1753
National Gallery of Art, 1965
National Gallery of Art, 1940
National Gallery of Art, 1903
National Gallery of Art, 1939
National Gallery of Art, 1884
National Gallery of Art, 1816
National Gallery of Art, 1900
![Studien eines Esels (Views of a Mule) [p. 23]](https://api.nga.gov/iiif/36001b90-c251-4996-beb3-f4cfcb2b9eb5/full/843,/0/default.jpg)
