1871
National Gallery of Art, 1884
National Gallery of Art, 1743
National Gallery of Art, 1937
National Gallery of Art, 1977
National Gallery of Art, 1973
National Gallery of Art, 1924
National Gallery of Art, 1952
National Gallery of Art, 1936
National Gallery of Art, 1738
National Gallery of Art, 1883
Bruce Fund, Ailsa Mellon, 1847
![Schlafender Mandrill (Sleeping Mandrill) [p. 24]](https://api.nga.gov/iiif/bcfae61f-e852-4d02-a813-f5670ee1e0df/full/843,/0/default.jpg)
