1658
National Gallery of Art, 1964
National Gallery of Art, 1961
National Gallery of Art, 1940
National Gallery of Art, 1833
National Gallery of Art, 1690
National Gallery of Art, 1936
National Gallery of Art, 1884
National Gallery of Art, 1946
National Gallery of Art, 1971
National Gallery of Art, 1950
National Gallery of Art, 1559
![Crouching Monkey and Man's Head; Bones and Muscles [verso]](https://api.nga.gov/iiif/f595e0a4-6da5-4ca6-9204-7b3804549a1b/full/843,/0/default.jpg)
