1622
National Gallery of Art, 1961
National Gallery of Art, 1982
National Gallery of Art, 1872
National Gallery of Art, 1571
National Gallery of Art, 1884
National Gallery of Art, 1898
National Gallery of Art, 1983
National Gallery of Art, 1956
National Gallery of Art, 1935
National Gallery of Art, 1941
National Gallery of Art, 1969
![Begonnener Pferdekopf (Beginning Sketch of Horse Head) [p. 7]](https://api.nga.gov/iiif/3a3bbb04-5daa-4f15-9d62-f84a4a7627c6/full/843,/0/default.jpg)
