1976–1977
National Gallery of Art, 1959
National Gallery of Art, 1972
National Gallery of Art, 1891
National Gallery of Art, 1837
National Gallery of Art, 1585
National Gallery of Art, 1937
National Gallery of Art, 1935
National Gallery of Art, 1956
National Gallery of Art, 1976
National Gallery of Art, 1884
National Gallery of Art, 1725
![#6 (after 'Untitled 1975') [progressive proof 10]](https://api.nga.gov/iiif/0c54492d-0e03-4445-a553-2b5cc5fd3c00/full/843,/0/default.jpg)
![Zwei Frauen (Two Women) [p. 31]](https://api.nga.gov/iiif/e2d0111d-cc07-4ddc-b450-be40a4659bdd/full/843,/0/default.jpg)
