1941
National Gallery of Art, 1950
National Gallery of Art, 1861
National Gallery of Art, 1955
National Gallery of Art, 1777
National Gallery of Art, 1918
National Gallery of Art, 1910
National Gallery of Art, 1987
National Gallery of Art, 1859
National Gallery of Art, 1610
National Gallery of Art, 1951
National Gallery of Art, 1515
National Gallery of Art, 1978
![Studies for "Gassed" [recto]](https://api.nga.gov/iiif/510f58f3-558e-4835-987f-0a63b48a05b4/full/843,/0/default.jpg)
