1971
National Gallery of Art, 1939
National Gallery of Art, 1633
National Gallery of Art, 1514
National Gallery of Art, 1624
National Gallery of Art, 1655
National Gallery of Art, 1503
National Gallery of Art, 1912
National Gallery of Art, 1450
National Gallery of Art, 1970
Gemini G.E.L., 1969
National Gallery of Art, 1967
National Gallery of Art, 1829
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/26731a48-174e-4989-af74-301c95760617/full/843,/0/default.jpg)
