1974–1978
National Gallery of Art, 1973
National Gallery of Art, 1555
National Gallery of Art, 1982
National Gallery of Art, 1788
National Gallery of Art, 1939
National Gallery of Art, 1860
National Gallery of Art, 1925
National Gallery of Art, 1884
National Gallery of Art, 1496
National Gallery of Art, 1586
National Gallery of Art, 1710
National Gallery of Art, 1565
![Four Heads and Two Figures [verso]](https://api.nga.gov/iiif/9a07a987-5f08-43e9-aff7-187586a04f1a/full/843,/0/default.jpg)
