1971
National Gallery of Art, 1780
National Gallery of Art, 1627
National Gallery of Art, 1502
National Gallery of Art, 1835
National Gallery of Art, 1939
National Gallery of Art, 1915
National Gallery of Art, 1938
National Gallery of Art, 1589
National Gallery of Art, 1979
National Gallery of Art, 1784
National Gallery of Art, 1755
National Gallery of Art, 1764
![Painting with Two Balls (Grays) [trial proof]](https://api.nga.gov/iiif/7ab52c2a-0d53-4689-9fda-e495fc518367/full/843,/0/default.jpg)
![Sketch of a Swordsman Standing Over His Defeated Opponent [verso]](https://api.nga.gov/iiif/a891070e-74be-4956-b78d-9583c3b4522e/full/843,/0/default.jpg)
