1969
National Gallery of Art, 1935
National Gallery of Art, 1828
National Gallery of Art, 1500
National Gallery of Art, 1884
National Gallery of Art, 1745
National Gallery of Art, 1981
National Gallery of Art, 1940
National Gallery of Art, 1971
National Gallery of Art, 1937
National Gallery of Art, 1929
National Gallery of Art, 1938
![Männliche Bildnisstudie (Unknown Male Portrait Study) [p. 20]](https://api.nga.gov/iiif/5d1dbfb8-0356-4c22-a96f-b6a4559b9933/full/843,/0/default.jpg)
![Periscope [state proof of 9th state]](https://api.nga.gov/iiif/6e047080-ec0a-4bfb-a8fe-b0fd41bd4401/full/843,/0/default.jpg)
