1919–1921
National Gallery of Art, 1936
National Gallery of Art, 1700
National Gallery of Art, 1598
Stieglitz, Alfred, 1929
National Gallery of Art, 1941
National Gallery of Art, 1991
National Gallery of Art, 1909
National Gallery of Art, 1816
National Gallery of Art, 1441
O'Keeffe, Georgia, 1933
National Gallery of Art, 1782
National Gallery of Art, 1512
![Filippo Maria Visconti, 1392-1447, Duke of Milan 1412 [obverse]](https://api.nga.gov/iiif/71a9068d-d7b8-4838-8afb-590cf47472d5/full/843,/0/default.jpg)
![The Statue of Opportunity, a Passer-by, and Remorse [fol. 8r]](https://api.nga.gov/iiif/7f5b4495-3152-4c80-ad17-867dcd77a557/full/843,/0/default.jpg)