1974–1975
National Gallery of Art, 1938
National Gallery of Art, 1945
National Gallery of Art, 1940
National Gallery of Art, 1936
National Gallery of Art, 1884
National Gallery of Art, 1969
National Gallery of Art, 1944
National Gallery of Art, 1957
![Nilpferdkopf (Hippo Head) [p. 16]](https://api.nga.gov/iiif/12c0bf1e-a1fe-433a-987e-d228bedf2807/full/843,/0/default.jpg)
![Untitled [recto]](https://api.nga.gov/iiif/f0a1666f-2975-4f9e-94d2-89460393f2bf/full/843,/0/default.jpg)
![Studien von Tanzenden (Studies of Dancers) [p. 7]](https://api.nga.gov/iiif/34bb944c-bf6a-42c3-970c-b0a02504baec/full/843,/0/default.jpg)
