1952
National Gallery of Art, 1971
National Gallery of Art, 1968
National Gallery of Art, 1937
National Gallery of Art, 1969
National Gallery of Art, 1621
National Gallery of Art, 1847
National Gallery of Art, 1977
National Gallery of Art, 1976
National Gallery of Art, 1939
National Gallery of Art, 1935
National Gallery of Art, 1963
![Yunan (State I) [artist's proof]](https://api.nga.gov/iiif/d8a9a906-47c1-4840-92eb-1169a5d80343/full/843,/0/default.jpg)
![#9 from Nine Drypoints and Etchings [artist's proof]](https://api.nga.gov/iiif/094e7f48-2ef8-4b3d-bd54-bf0c0341cc72/full/843,/0/default.jpg)
