1840
National Gallery of Art, 1997
National Gallery of Art, 1619
Corcoran Gallery of Art, 1918
National Gallery of Art, 1604
National Gallery of Art, 1508
National Gallery of Art, 1970
National Gallery of Art, 1937
National Gallery of Art, 1951
National Gallery of Art, 2004
National Gallery of Art, 1952
National Gallery of Art, 1880
National Gallery of Art, 1570
![Green Angel 2 [trial proof 2]](https://api.nga.gov/iiif/86d42af1-23e8-472e-a726-3b499bda1fa7/full/843,/0/default.jpg)
![Studies for "Gassed" [recto]](https://api.nga.gov/iiif/20706cf9-0875-4bb1-87ce-83f7ad257684/full/843,/0/default.jpg)
