1890–1897
National Gallery of Art, 1923
National Gallery of Art, 1632
National Gallery of Art, 1600
National Gallery of Art, 1531
National Gallery of Art, 1936
National Gallery of Art, 1955
National Gallery of Art, 1962
National Gallery of Art, 1504
National Gallery of Art, 1929
National Gallery of Art, 1935
National Gallery of Art, 1884
![Alphabets [working proof]](https://api.nga.gov/iiif/41169ed4-aafc-484a-bb9e-5ff0eeec2304/full/843,/0/default.jpg)
![Drei Figuren (Three Figure Sketch) [p. 17]](https://api.nga.gov/iiif/06b67989-003c-4da3-9e5b-b30c1aa5bc81/full/843,/0/default.jpg)