1963
National Gallery of Art, 1970
National Gallery of Art, 1956
National Gallery of Art, 1955
National Gallery of Art, 1778
National Gallery of Art, 1964
National Gallery of Art, 1961
Smith, Benjamin B., Mr. and Mrs., 1965
National Gallery of Art, 1936
National Gallery of Art, 1905
National Gallery of Art, 1622
National Gallery of Art, 1937
National Gallery of Art, 1884
![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)