1999
National Gallery of Art, 1936
National Gallery of Art, 1935
National Gallery of Art, 1970
National Gallery of Art, 1973
National Gallery of Art, 1938
National Gallery of Art, 1916
National Gallery of Art, 1768
National Gallery of Art, 1976
National Gallery of Art, 1576
National Gallery of Art, 1860
National Gallery of Art, 1940
National Gallery of Art, 1848
![Four Panels from Untitled 1972 [D panel, trial proof 24]](https://api.nga.gov/iiif/93c56b01-ac98-42b9-a77f-a3f21f25509b/full/843,/0/default.jpg)
![#5 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/028f4d5b-1fe2-4dac-b467-d2d0709d1e67/full/843,/0/default.jpg)
