1991
National Gallery of Art, 1805
National Gallery of Art, 1922
National Gallery of Art, 1935
National Gallery of Art, 1978
National Gallery of Art, 1941
National Gallery of Art, 1505
National Gallery of Art, 1931
National Gallery of Art, 1903
National Gallery of Art, 1580
National Gallery of Art, 1877
National Gallery of Art, 1892
![Forty Flakes [preparatory drawing]](https://api.nga.gov/iiif/43af3b58-a448-4760-98b0-e612254cdd33/full/843,/0/default.jpg)
