1909–1919
National Gallery of Art, 1949
National Gallery of Art, 1990
National Gallery of Art, 1831
National Gallery of Art, 1956
National Gallery of Art, 1936
National Gallery of Art, 1978
National Gallery of Art, 1480
National Gallery of Art, 1651
National Gallery of Art, 1987
National Gallery of Art, 1837
National Gallery of Art, 1884
![Begonnene Tierstudie (Unfinished Animal Study) [p. 5]](https://api.nga.gov/iiif/3398ce70-3267-42de-816e-1b04f4706b7d/full/843,/0/default.jpg)
