1968
National Gallery of Art, 1943
National Gallery of Art, 1592
National Gallery of Art, 1983
National Gallery of Art, 1935
National Gallery of Art, 1480
National Gallery of Art, 1984
National Gallery of Art, 1988
National Gallery of Art, 1731
Patrons' Permanent Fund, 1951
National Gallery of Art, 1956
Gemini G.E.L., 1976
National Gallery of Art, 1764
![Figure 9 [working proof]](https://api.nga.gov/iiif/90a65667-f341-420a-be95-0fa664116476/full/843,/0/default.jpg)
![Laboratory Still Life No. 2, State 2 [trial proof C]](https://api.nga.gov/iiif/2aa26aab-8ae9-424d-90df-2af8ec306513/full/843,/0/default.jpg)
