1918–1919
National Gallery of Art, 1941
National Gallery of Art, 1936
National Gallery of Art, 1926
National Gallery of Art, 1966
National Gallery of Art, 1825
National Gallery of Art, 1978
National Gallery of Art, 1890
National Gallery of Art, 1506
National Gallery of Art, 1955
Corcoran Gallery of Art, 1998
Corcoran Gallery of Art, 1976
![Studies for "Gassed" [recto]](https://api.nga.gov/iiif/20706cf9-0875-4bb1-87ce-83f7ad257684/full/843,/0/default.jpg)
![Second Sails [10] from Second Sails](https://api.nga.gov/iiif/7669fa44-eded-493b-a2ad-b60ad4275a4a/full/843,/0/default.jpg)
