1900
National Gallery of Art, 1941
National Gallery of Art, 1938
National Gallery of Art, 1865
National Gallery of Art, 1622
National Gallery of Art, 1969
National Gallery of Art, 1879
National Gallery of Art, 1410
National Gallery of Art, 1642
National Gallery of Art, 1894
National Gallery of Art, 1884
National Gallery of Art, 1937
![Figure 7 [trial proof]](https://api.nga.gov/iiif/158ec2d0-a368-490e-8fc9-6aa84d55cb13/full/843,/0/default.jpg)
![Zwei Clowns mit Hüten (Two Clowns with Hats) [p. 9]](https://api.nga.gov/iiif/06ddca2f-e907-41fd-a01e-528fc28c40b6/full/843,/0/default.jpg)
