2012
National Gallery of Art, 1935
National Gallery of Art, 1972
National Gallery of Art, 1940
National Gallery of Art, 1951
National Gallery of Art, 1910
National Gallery of Art, 1937
National Gallery of Art, 1969
National Gallery of Art, 1974
National Gallery of Art, 1903
National Gallery of Art, 1956
National Gallery of Art, 1802
National Gallery of Art, 1939
![Four Studies of Heads [verso]](https://api.nga.gov/iiif/7c2e5905-e667-4b1a-8e15-8592bb0987f8/full/843,/0/default.jpg)
