1740
National Gallery of Art, 1475
National Gallery of Art, 1612
National Gallery of Art, 1963
National Gallery of Art, 1972
National Gallery of Art, 1884
National Gallery of Art, 1480
National Gallery of Art, 1545
National Gallery of Art, 1832
National Gallery of Art, 1865
National Gallery of Art, 1935
National Gallery of Art, 1992
![Spanish Duke Before Margaret of Austria [verso]](https://api.nga.gov/iiif/b30ec85f-a1de-4a8f-bcab-ff1e5066a9da/full/843,/0/default.jpg)
![9 from 0-9 (Black) [trial proof]](https://api.nga.gov/iiif/8422fb90-d196-4ffb-ba2f-2901a2a5aff2/full/843,/0/default.jpg)
![Akrobat auf Schaukel (Acrobat in a Swing) [p. 19]](https://api.nga.gov/iiif/c7a34540-897f-4bc5-a322-4a7fe26e95e1/full/843,/0/default.jpg)
