1949
National Gallery of Art, 1937
National Gallery of Art, 1884
National Gallery of Art, 1600
National Gallery of Art, 1894
National Gallery of Art, 1940
National Gallery of Art, 1570
National Gallery of Art, 1882
National Gallery of Art, 1939
National Gallery of Art, 1912
National Gallery of Art, 1971
National Gallery of Art, 1948
![Stehender Clown (Standing Clown) [p. 11]](https://api.nga.gov/iiif/af031edf-5b33-480a-9770-b838bca29a00/full/843,/0/default.jpg)
![Christ Disputing with the Doctors [recto]](https://api.nga.gov/iiif/fd0bbd38-65d1-464c-a695-b81658fe87d2/full/843,/0/default.jpg)
![Painting with Two Balls [trial proof]](https://api.nga.gov/iiif/63558fdf-2a63-432e-a2c6-5b8b4cc1ab92/full/843,/0/default.jpg)
