1964
National Gallery of Art, 1748
National Gallery of Art, 1480
National Gallery of Art, 1612
National Gallery of Art, 1910
National Gallery of Art, 1900
National Gallery of Art, 1930
National Gallery of Art, 1884
National Gallery of Art, 1970
National Gallery of Art, 1620
National Gallery of Art, 1875
National Gallery of Art, 1937
![Spanish Duke Before Margaret of Austria [verso]](https://api.nga.gov/iiif/b30ec85f-a1de-4a8f-bcab-ff1e5066a9da/full/843,/0/default.jpg)
![A Man Leaning on a Wall with Five Other Studies; Two Bearded Men Wearing Hats, and Five Other Studies [recto]](https://api.nga.gov/iiif/8247b851-c90f-43b9-8f86-de239768dbe9/full/843,/0/default.jpg)
