1927
National Gallery of Art, 1600
National Gallery of Art, 1911
National Gallery of Art, 1971
National Gallery of Art, 1956
National Gallery of Art, 1937
National Gallery of Art, 1962
National Gallery of Art, 1955
National Gallery of Art, 1933
National Gallery of Art, 1856
National Gallery of Art, 1940
National Gallery of Art, 1400
National Gallery of Art, 1947
![Study of Heads [recto]](https://api.nga.gov/iiif/19aaeef8-aa3b-4fff-9a5d-623837998811/full/843,/0/default.jpg)
