1918–1919
National Gallery of Art, 1955
National Gallery of Art, 1200
National Gallery of Art, 1937
National Gallery of Art, 1876
National Gallery of Art, 1981
National Gallery of Art, 1872
National Gallery of Art, 1941
National Gallery of Art, 1936
National Gallery of Art, 1477
National Gallery of Art, 1809
![Männliche Bildnisstudie im Profil (Male Portrait Study) [p. 70]](https://api.nga.gov/iiif/56651e66-2b14-4697-8eff-28df32636f7e/full/843,/0/default.jpg)
![Alfonso as Infant Hercules [reverse]](https://api.nga.gov/iiif/e0fdbc13-d7e1-44f7-abb1-e617b9079f39/full/843,/0/default.jpg)
