1945
National Gallery of Art, 1595
National Gallery of Art, 1937
National Gallery of Art, 1896
National Gallery of Art, 1939
National Gallery of Art, 1990
National Gallery of Art, 1941
National Gallery of Art, 1884
National Gallery of Art, 1895
National Gallery of Art, 1935
National Gallery of Art, 1968
National Gallery of Art, 1525
National Gallery of Art, 1931
![Nilpferd, halb unter Wasser (Hippo Partially Submerged) [p. 26]](https://api.nga.gov/iiif/0f03c1a0-932d-4916-8ff8-6ce8c61c4cbc/full/843,/0/default.jpg)
![Deserted Building, New Mexico [verso]](https://api.nga.gov/iiif/03829c84-2406-45fa-b60f-f6c27df39dd0/full/843,/0/default.jpg)