1642
National Gallery of Art, 1884
National Gallery of Art, 1893
National Gallery of Art, 1956
National Gallery of Art, 1955
National Gallery of Art, 1962
National Gallery of Art, 1936
National Gallery of Art, 1967
National Gallery of Art, 1595
National Gallery of Art, 1941
National Gallery of Art, 1894
National Gallery of Art, 1549
![Male Portrait Study (Mannliche Bildnisstudie, daruber Kohler...) [p. 7]](https://api.nga.gov/iiif/9b0eb010-0e91-42b8-9822-eeda598939ce/full/843,/0/default.jpg)
![Untitled [seated woman in purple dress]](https://api.nga.gov/iiif/b07aee4e-8cbc-4fa1-8eac-681632416e28/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/1126d221-88ac-4c5e-a46d-7abe7c0c4da4/full/843,/0/default.jpg)
