1884–1950
National Gallery of Art, 1945
National Gallery of Art, 1540
National Gallery of Art, 1933
National Gallery of Art, 1791
National Gallery of Art, 1883
National Gallery of Art, 1904
National Gallery of Art, 1884
National Gallery of Art, 1935
National Gallery of Art, 1968
National Gallery of Art, 1937
Beckmann, Max, 1946
National Gallery of Art, 1965
![Nilpferdkopf im Profil (Hippo Head) [p. 19]](https://api.nga.gov/iiif/c3aa33e1-6e99-4c90-9d89-04a30b272660/full/843,/0/default.jpg)
![Singende Frau (Woman Singing) [p. 7]](https://api.nga.gov/iiif/4a937783-6d29-46f1-bbaa-55e199414827/full/843,/0/default.jpg)
