1927
National Gallery of Art, 1631
National Gallery of Art, 1918
National Gallery of Art, 1903
National Gallery of Art, 1942
National Gallery of Art, 1865
National Gallery of Art, 1700
National Gallery of Art, 1862
National Gallery of Art, 1511
National Gallery of Art, 1940
National Gallery of Art, 1933
National Gallery of Art, 1961
![Four Studies of Heads [verso]](https://api.nga.gov/iiif/7c2e5905-e667-4b1a-8e15-8592bb0987f8/full/843,/0/default.jpg)
