1980–1981
National Gallery of Art, 1755
National Gallery of Art, 1884
Davis, Ronald, 1969
National Gallery of Art, 1627
National Gallery of Art, 1939
National Gallery of Art, 1832
National Gallery of Art, 1936
National Gallery of Art, 1966
National Gallery of Art, 1572
National Gallery of Art, 1926
National Gallery of Art, 1779
National Gallery of Art, 1937
![Drypoint Gamma [special proof]](https://api.nga.gov/iiif/9abd8b66-c637-403e-bf5d-3a9356709bff/full/843,/0/default.jpg)
![Skizze mit zwei Figuren (Sketch with Two Figures) [p. 12]](https://api.nga.gov/iiif/4f34b51c-8ff5-4dcf-903b-3f63c4947cf6/full/843,/0/default.jpg)
