1992
National Gallery of Art, 1902
National Gallery of Art, 2012
National Gallery of Art, 1950
National Gallery of Art, 1978
National Gallery of Art, 1509
National Gallery of Art, 1893
National Gallery of Art, 1936
National Gallery of Art, 1948
National Gallery of Art, 1903
National Gallery of Art, 1837
National Gallery of Art, 1918
National Gallery of Art, 1960
![Studies for "Gassed" [recto]](https://api.nga.gov/iiif/20706cf9-0875-4bb1-87ce-83f7ad257684/full/843,/0/default.jpg)
