1812–1868
National Gallery of Art, 1996
National Gallery of Art, 1985
National Gallery of Art, 1937
National Gallery of Art, 1932
National Gallery of Art, 1572
National Gallery of Art, 1967
National Gallery of Art, 1620
National Gallery of Art, 1512
National Gallery of Art, 1938
National Gallery of Art, 1513
National Gallery of Art, 1974
![Flags II [trial proof]](https://api.nga.gov/iiif/9f010b4d-1f11-4448-bf9a-ccc0c4ba4a2a/full/843,/0/default.jpg)
![York Factory II [color trial proof III]](https://api.nga.gov/iiif/fca89177-71d6-4f66-8fd4-3094ee7b2014/full/843,/0/default.jpg)