1600–1650
National Gallery of Art, 1936
National Gallery of Art, 1519
National Gallery of Art, 1968
National Gallery of Art, 1953
National Gallery of Art, 1879
National Gallery of Art, 1947
National Gallery of Art, 1596
National Gallery of Art, 1667
National Gallery of Art, 1884
National Gallery of Art, 1979
National Gallery of Art, 1916
![Ernst Bogislaus, Duke of Croy and Arschott, Prince of the Holy Roman Empire [obverse]](https://api.nga.gov/iiif/647fa7c2-c517-4be5-988e-d2d7c7a69390/full/843,/0/default.jpg)
![Landscape with a Cottage; Profile of Boy, Profile of Man, Two Women in a Landscape, and Five Other Studies [verso]](https://api.nga.gov/iiif/ae51f068-1885-46ff-9248-54431032b108/full/843,/0/default.jpg)
![Summer [special proof]](https://api.nga.gov/iiif/da0dd1a6-de5b-4e41-bb53-b3b1376903f1/full/843,/0/default.jpg)
