1927–1937
National Gallery of Art, 1998
National Gallery of Art, 1938
National Gallery of Art, 1914
National Gallery of Art, 1955
National Gallery of Art, 1956
National Gallery of Art, 1854
National Gallery of Art, 1953
National Gallery of Art, 1976
National Gallery of Art, 1941
National Gallery of Art, 1944
National Gallery of Art, 1971
![Cairn 4 [working proof 2]](https://api.nga.gov/iiif/22d65ec3-dff3-4829-a6b6-0a8069243a92/full/843,/0/default.jpg)
![Zwei Skizzen und Notizen (Two Sketches with Notations) [p. 17]](https://api.nga.gov/iiif/83760de1-f0c9-4028-8bce-f7cdfc17dd60/full/843,/0/default.jpg)
