1859
National Gallery of Art, 1984
National Gallery of Art, 1936
National Gallery of Art, 1834
National Gallery of Art, 1890
National Gallery of Art, 1884
National Gallery of Art, 1894
National Gallery of Art, 1920
National Gallery of Art, 1874
National Gallery of Art, 1553
National Gallery of Art, 1968
![[untitled]](https://api.nga.gov/iiif/96fd8121-0611-4be6-9200-33c7c40f5c0f/full/843,/0/default.jpg)
![Schlafender Mandrill (Sleeping Mandrill) [p. 24]](https://api.nga.gov/iiif/bcfae61f-e852-4d02-a813-f5670ee1e0df/full/843,/0/default.jpg)
