1940
National Gallery of Art, 1629
National Gallery of Art, 1854
National Gallery of Art, 1841
National Gallery of Art, 1936
National Gallery of Art, 1925
National Gallery of Art, 1931
National Gallery of Art, 1915
National Gallery of Art, 1855
National Gallery of Art, 1962
National Gallery of Art, 1894
National Gallery of Art, 1973
National Gallery of Art, 1620
![Four Panels from Untitled 1972 [C panel, trial proof 7]](https://api.nga.gov/iiif/4f390743-dd11-4ed0-b6de-2f7385c35e44/full/843,/0/default.jpg)
