1563
National Gallery of Art, 1756
National Gallery of Art, 1600
National Gallery of Art, 1589
Bruce Fund, Ailsa Mellon, 1829
National Gallery of Art, 1949
National Gallery of Art, 1645
National Gallery of Art, 1976
National Gallery of Art, 1963
National Gallery of Art, 1887
National Gallery of Art, 1810
National Gallery of Art, 1935
![No. 7 [or] No. 11](https://api.nga.gov/iiif/73facf55-14dd-4997-b59c-cd93d67c1bea/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 3]](https://api.nga.gov/iiif/1eb1db68-7433-4124-8a79-76a9d32078e1/full/843,/0/default.jpg)
