1991–1994
National Gallery of Art, 1941
Gemini G.E.L., 1967
National Gallery of Art, 1918
National Gallery of Art, 1965
National Gallery of Art, 1939
National Gallery of Art, 1936
National Gallery of Art, 1700
National Gallery of Art, 1919
National Gallery of Art, 1984
National Gallery of Art, 1839
National Gallery of Art, 1514
![Keys (with Intrusion) [special proof]](https://api.nga.gov/iiif/9abfa23a-59be-4c8b-8ece-89814db49ce4/full/843,/0/default.jpg)
