1999
National Gallery of Art, 1935
National Gallery of Art, 1631
National Gallery of Art, 1941
National Gallery of Art, 1930
National Gallery of Art, 1942
National Gallery of Art, 1964
National Gallery of Art, 1894
National Gallery of Art, 1992
Patrons' Permanent Fund, 1997
National Gallery of Art, 1913
National Gallery of Art, 1797
![Untitled (Embassies) [trial proof of 1st state]](https://api.nga.gov/iiif/32d4daa9-f883-46bc-a203-2a4bbdf85c2a/full/843,/0/default.jpg)
![Green Angel 2 [proof of 1st element, plate B, 3rd state]](https://api.nga.gov/iiif/15a6953d-69bb-4b65-9714-baf2b2de6656/full/843,/0/default.jpg)
