1968
National Gallery of Art, 1884
National Gallery of Art, 1983
National Gallery of Art, 1936
National Gallery of Art, 1932
National Gallery of Art, 1937
National Gallery of Art, 1905
National Gallery of Art, 1956
National Gallery of Art, 1612
Patrons' Permanent Fund, 1968
National Gallery of Art, 1938
National Gallery of Art, 1892
![Nilpferd in Rückenansicht (Hippo from behind) [p. 24]](https://api.nga.gov/iiif/677c4363-3a31-43b6-b350-da3b208da0e2/full/843,/0/default.jpg)
![Meeting of Margaret of Austria and Philip III [recto]](https://api.nga.gov/iiif/d11f8aa1-198b-42db-96a2-81964bbefc42/full/843,/0/default.jpg)
