1961
National Gallery of Art, 1922
National Gallery of Art, 1500
National Gallery of Art, 1820
National Gallery of Art, 1918
National Gallery of Art, 1643
National Gallery of Art, 1720
National Gallery of Art, 1937
National Gallery of Art, 1958
National Gallery of Art, 1932
Jackson, Robert, 1950
National Gallery of Art, 1871
![Saint Ambrose on Horseback, Wielding a Scourge [reverse]](https://api.nga.gov/iiif/91488fad-920b-4f3c-a4e0-03a37870e4f4/full/843,/0/default.jpg)
![Studies of a Sickbed and Decorations for the Façade of Buckingham Palace [recto and verso]](https://api.nga.gov/iiif/2e083237-91f0-4769-a992-411a4aad1ffb/full/843,/0/default.jpg)
