1939
National Gallery of Art, 1715
National Gallery of Art, 1937
National Gallery of Art, 1916
National Gallery of Art, 1935
National Gallery of Art, 1837
National Gallery of Art, 1513
National Gallery of Art, 1921
National Gallery of Art, 1869
National Gallery of Art, 1966
National Gallery of Art, 1755
National Gallery of Art, 1737
National Gallery of Art, 1973
![Four Panels from Untitled 1972 [D panel, trial proof 12]](https://api.nga.gov/iiif/1a184783-2ff6-4408-af96-4f3147195f5c/full/843,/0/default.jpg)