1875–1879
Corcoran Gallery of Art, 1962
Corcoran Gallery of Art, 1887
Corcoran Gallery of Art, 1974
Corcoran Gallery of Art, 1867
Corcoran Gallery of Art, 1954
Corcoran Gallery of Art, 1991
Corcoran Gallery of Art, 1918
Corcoran Gallery of Art, 1987
Corcoran Gallery of Art, 1936
Corcoran Gallery of Art, 1971
Corcoran Gallery of Art, 1950
Corcoran Gallery of Art, 1849
![Studies for "Gassed" [recto]](https://api.nga.gov/iiif/20706cf9-0875-4bb1-87ce-83f7ad257684/full/843,/0/default.jpg)
![Man Must Sow [obverse]](https://api.nga.gov/iiif/a561866e-d934-4fd5-9b4c-11d81b4b9374/full/843,/0/default.jpg)
