1980–1995
National Gallery of Art, 1952
National Gallery of Art, 1935
National Gallery of Art, 1592
National Gallery of Art, 1964
National Gallery of Art, 1473
National Gallery of Art, 1612
National Gallery of Art, 1969
National Gallery of Art, 1973
National Gallery of Art, 1937
National Gallery of Art, 1989
National Gallery of Art, 1942
National Gallery of Art, 1944
![Celia Pondering [special proof]](https://api.nga.gov/iiif/f22d6731-1a24-4f09-b9e0-f147ce3f9661/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 7]](https://api.nga.gov/iiif/4f390743-dd11-4ed0-b6de-2f7385c35e44/full/843,/0/default.jpg)
![The Seasons (Spring) [state proof of 10th state]](https://api.nga.gov/iiif/6305986c-8625-4414-8fb1-2183f997521b/full/843,/0/default.jpg)
