1997
National Gallery of Art, 1528
National Gallery of Art, 1990
National Gallery of Art, 1816
National Gallery of Art, 1903
National Gallery of Art, 1884
National Gallery of Art, 1935
National Gallery of Art, 1938
National Gallery of Art, 1955
National Gallery of Art, 1937
National Gallery of Art, 1925
National Gallery of Art, 1936
![Series B, #1 [printed sheet]](https://api.nga.gov/iiif/c6d626d2-198d-4a66-951d-0c0e915e57eb/full/843,/0/default.jpg)
![Mountains and Lake [recto]](https://api.nga.gov/iiif/1ab77467-9b1a-4b00-83bc-30d2b53ca910/full/843,/0/default.jpg)
![Studie einer Katze (Study of a Cat) [p. 5]](https://api.nga.gov/iiif/e84a45b9-af90-453e-9be3-3cd05e73d3a2/full/843,/0/default.jpg)
![Untitled [seated figure]](https://api.nga.gov/iiif/f8ada8e4-5fa8-43ba-a9d3-f2faad3a69f2/full/843,/0/default.jpg)
![Männliche Bildnisstudie (Male Profile) [p. 43]](https://api.nga.gov/iiif/888bb2f1-d8f0-4844-bb42-1142ab6d063d/full/843,/0/default.jpg)
