1991
National Gallery of Art, 1955
National Gallery of Art, 1952
National Gallery of Art, 1884
National Gallery of Art, 1919
National Gallery of Art, 1887
National Gallery of Art, 1935
National Gallery of Art, 1961
National Gallery of Art, 1540
National Gallery of Art, 1650
National Gallery of Art, 1951
National Gallery of Art, 1866
National Gallery of Art, 1994
![Color & Black, 40 x 40, No. 4 [working proof 1B]](https://api.nga.gov/iiif/b4549414-bb57-4c91-9079-88f99b775d46/full/843,/0/default.jpg)
![Untitled [head of a woman]](https://api.nga.gov/iiif/d167caf8-21b4-4ee5-ab6b-1d09c3767413/full/843,/0/default.jpg)
![Kompositionsskizze mit Bezeichnung (Sketch with Inscription) [p. 25]](https://api.nga.gov/iiif/95765140-7617-45d7-8596-ef6fca65e18a/full/843,/0/default.jpg)
