1962
National Gallery of Art, 1896
National Gallery of Art, 1988
National Gallery of Art, 1821
National Gallery of Art, 1976
National Gallery of Art, 1560
National Gallery of Art, 1637
National Gallery of Art, 1770
National Gallery of Art, 1938
National Gallery of Art, 1636
National Gallery of Art, 1941
National Gallery of Art, 1999
![Flagstones (endpaper) [trial proof 2]](https://api.nga.gov/iiif/8c11cc8d-4cdd-4197-90b0-77b38c4af943/full/843,/0/default.jpg)
![Untitled (Embassies) [trial proof of 2nd state]](https://api.nga.gov/iiif/6058c0c0-3736-4aad-841f-693705649a95/full/843,/0/default.jpg)
