1965
National Gallery of Art, 1997
National Gallery of Art, 1635
National Gallery of Art, 1884
National Gallery of Art, 1956
National Gallery of Art, 1807
National Gallery of Art, 1973
National Gallery of Art, 1936
National Gallery of Art, 1940
National Gallery of Art, 1883
National Gallery of Art, 1937
National Gallery of Art, 1840
![Study VI, New York Harbor [verso, #7, brown]](https://api.nga.gov/iiif/9ec148bd-871c-4c73-8fbf-89fc6dc92199/full/843,/0/default.jpg)
![Zwei bezeichnete Skizzen (Two Sketches with Inscriptions) [p. 31]](https://api.nga.gov/iiif/2227e448-d981-4663-82e8-1435d8265225/full/843,/0/default.jpg)
![Flags I [artist's proof]](https://api.nga.gov/iiif/1fddff28-eddd-4546-8f1d-de3b51b3cdca/full/843,/0/default.jpg)
