1970
National Gallery of Art, 1723
National Gallery of Art, 1976
National Gallery of Art, 1962
National Gallery of Art, 1937
National Gallery of Art, 1961
National Gallery of Art, 1731
National Gallery of Art, 1564
National Gallery of Art, 1939
National Gallery of Art, 1954
National Gallery of Art, 1978
National Gallery of Art, 1800
National Gallery of Art, 1741
![#6 (after 'Untitled 1975') [progressive proof 3]](https://api.nga.gov/iiif/1eb1db68-7433-4124-8a79-76a9d32078e1/full/843,/0/default.jpg)
