1862
National Gallery of Art, 1936
National Gallery of Art, 1777
National Gallery of Art, 1932
National Gallery of Art, 1976
National Gallery of Art, 1935
National Gallery of Art, 1841
National Gallery of Art, 1500
National Gallery of Art, 1938
National Gallery of Art, 1970
National Gallery of Art, 1918
![Light Bulb [working proof]](https://api.nga.gov/iiif/b677c783-899b-4518-adce-4877b24b09b2/full/843,/0/default.jpg)
![Männliche Bildnisstudie (Male Portrait) [p. 23]](https://api.nga.gov/iiif/1437d4dc-ac3f-4d95-9c80-6097a85a3ce8/full/843,/0/default.jpg)