1884–1950
National Gallery of Art, 1916
National Gallery of Art, 1943
National Gallery of Art, 1939
National Gallery of Art, 1926
National Gallery of Art, 1884
National Gallery of Art, 1990
National Gallery of Art, 1490
National Gallery of Art, 1936
National Gallery of Art, 1688
National Gallery of Art, 1937
National Gallery of Art, 1951
![Fünf kleine Skizzen mit Bezeichnung (Five Small Sketches with Inscriptions) [p. 52]](https://api.nga.gov/iiif/1c685b60-116b-4251-adcd-2a4263d8974b/full/843,/0/default.jpg)
![Elefanten (Elephants) [p. 25]](https://api.nga.gov/iiif/17850e19-8300-45fe-a4b1-5da387c459ff/full/843,/0/default.jpg)
![Oui [working proof 8]](https://api.nga.gov/iiif/543a0596-5694-4078-a867-2f2b30c7b576/full/843,/0/default.jpg)
