1938
National Gallery of Art, 1948
National Gallery of Art, 1947
National Gallery of Art, 1595
National Gallery of Art, 1954
National Gallery of Art, 1921
National Gallery of Art, 1937
National Gallery of Art, 1924
National Gallery of Art, 1777
National Gallery of Art, 1898
National Gallery of Art, 1982
National Gallery of Art, 1979
National Gallery of Art, 1966
![3 Flags for 1 Space and 6 Regions [top right panel]](https://api.nga.gov/iiif/868e5469-bd69-4186-ac77-bc8e06189abd/full/843,/0/default.jpg)
![Passage I [misc. proof]](https://api.nga.gov/iiif/df05f0e7-f885-4835-81f9-7a5b9a2c133b/full/843,/0/default.jpg)