1940
National Gallery of Art, 1939
National Gallery of Art, 1938
National Gallery of Art, 1916
National Gallery of Art, 1878
National Gallery of Art, 2010
National Gallery of Art, 1500
National Gallery of Art, 1884
National Gallery of Art, 1937
National Gallery of Art, 1637
National Gallery of Art, 1852
National Gallery of Art, 1649
National Gallery of Art, 1953
![begonnene Elefantenstudie (Initial Sketch of an Elephant) [p. 31]](https://api.nga.gov/iiif/35932a00-3af6-4324-ae81-26b14c4de566/full/843,/0/default.jpg)
