1942
National Gallery of Art, 1500
National Gallery of Art, 1688
National Gallery of Art, 1883
National Gallery of Art, 1803
National Gallery of Art, 2004
Corcoran Gallery of Art, 1865
Corcoran Gallery of Art, 1798
National Gallery of Art, 1940
Corcoran Gallery of Art, 1952
Corcoran Gallery of Art, 1991
National Gallery of Art, 1973
National Gallery of Art, 1840
![Poetry Walking in a Wood [reverse]](https://api.nga.gov/iiif/7cff7c11-b972-42e7-a695-a050a53ccb63/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 4]](https://api.nga.gov/iiif/0a493a86-89fe-4b7a-aa40-0541f63e3607/full/843,/0/default.jpg)
