1845–1874
National Gallery of Art, 1936
National Gallery of Art, 1944
National Gallery of Art, 1939
National Gallery of Art, 1937
National Gallery of Art, 2002
National Gallery of Art, 1913
National Gallery of Art, 1884
National Gallery of Art, 1885
National Gallery of Art, 1981
National Gallery of Art, 1475
National Gallery of Art, 1577
![Untitled [Standing Figure with Knee on Chair] [working proof 2]](https://api.nga.gov/iiif/298220b1-d429-41e3-a3ef-69e20b3abc0e/full/843,/0/default.jpg)
![Notizen und zwei Kreisformen (Notations with Two Circles) [p. 2]](https://api.nga.gov/iiif/4eadb77e-8dc6-4153-abb7-5a01967df1ac/full/843,/0/default.jpg)
