1950–1960
National Gallery of Art, 1731
National Gallery of Art, 1622
National Gallery of Art, 1459
National Gallery of Art, 1884
National Gallery of Art, 1830
National Gallery of Art, 1545
National Gallery of Art, 1983
National Gallery of Art, 1601
National Gallery of Art, 1926
National Gallery of Art, 1651
National Gallery of Art, 1959
National Gallery of Art, 1902
![Hochrechteckige bezeichnete Skizze (Sketch with Inscription) [p. 33]](https://api.nga.gov/iiif/610abc13-bca1-468c-97e6-347bd2955635/full/843,/0/default.jpg)
![Horse Pawing the Earth [reverse]](https://api.nga.gov/iiif/2d976455-6ff3-4edd-8528-85173f78fafc/full/843,/0/default.jpg)
