1900
National Gallery of Art, 1774
National Gallery of Art, 1968
National Gallery of Art, 1875
National Gallery of Art, 1545
National Gallery of Art, 1943
National Gallery of Art, 1936
National Gallery of Art, 1937
National Gallery of Art, 1944
National Gallery of Art, 1599
National Gallery of Art, 1939
National Gallery of Art, 1973
![Flags I [artist's proof]](https://api.nga.gov/iiif/1fddff28-eddd-4546-8f1d-de3b51b3cdca/full/843,/0/default.jpg)