1956–2004
National Gallery of Art, 1783
National Gallery of Art, 1920
National Gallery of Art, 1884
National Gallery of Art, 1969
National Gallery of Art, 1938
National Gallery of Art, 1955
National Gallery of Art, 1937
National Gallery of Art, 1919
National Gallery of Art, 1645
National Gallery of Art, 1445
National Gallery of Art, 1608
National Gallery of Art, 1940
![Begonnener Pferdekopf (Beginning Sketch of Horse Head) [p. 7]](https://api.nga.gov/iiif/3a3bbb04-5daa-4f15-9d62-f84a4a7627c6/full/843,/0/default.jpg)
![Figure 3 [trial proof]](https://api.nga.gov/iiif/6a5a957c-4366-42c8-b895-0d86a39f5919/full/843,/0/default.jpg)
![Untitled [seated woman holding a cigarette]](https://api.nga.gov/iiif/2e5dfdd6-49c5-448e-93aa-953c1555aea4/full/843,/0/default.jpg)
