1981
National Gallery of Art, 1959
National Gallery of Art, 1613
National Gallery of Art, 1652
National Gallery of Art, 1884
National Gallery of Art, 1744
National Gallery of Art, 1938
National Gallery of Art, 1576
National Gallery of Art, 1953
National Gallery of Art, 1940
National Gallery of Art, 1939
![Combination [working proof 8]](https://api.nga.gov/iiif/64427c9a-ff86-47c2-abc3-9cfbb43f4f46/full/843,/0/default.jpg)
![A Profile and Four Shapes; Sketch of a Man's Head [recto]](https://api.nga.gov/iiif/1fde6736-3750-4d07-8698-fab8a9883209/full/843,/0/default.jpg)
![Zwei Frauen (Two Women) [p. 40]](https://api.nga.gov/iiif/3dde16a8-eeea-407e-b747-aff3c0fe603d/full/843,/0/default.jpg)
