1969
National Gallery of Art, 1828
National Gallery of Art, 1935
National Gallery of Art, 1770
National Gallery of Art, 1645
National Gallery of Art, 1875
Patrons' Permanent Fund, 1962
National Gallery of Art, 1961
National Gallery of Art, 1765
National Gallery of Art, 1969
National Gallery of Art, 1938
![Drawing Series I, II, III, IIII/IA [recto]](https://api.nga.gov/iiif/025bb175-92fa-449a-a610-e051be706e95/full/843,/0/default.jpg)
![Painting with Two Balls I [artist's proof]](https://api.nga.gov/iiif/d13d6177-e56c-431b-bcd5-77338df196ca/full/843,/0/default.jpg)
