1959
National Gallery of Art, 1594
National Gallery of Art, 1991
National Gallery of Art, 1976
National Gallery of Art, 1936
National Gallery of Art, 1825
National Gallery of Art, 1937
National Gallery of Art, 1940
National Gallery of Art, 1817
National Gallery of Art, 1956
National Gallery of Art, 1600
National Gallery of Art, 1955
![Figures on Horseback [verso]](https://api.nga.gov/iiif/5194f3b6-c778-40b7-ba53-b91a7cdfe3b0/full/843,/0/default.jpg)
![Untitled [Primaries with Secondaries] [trial proof]](https://api.nga.gov/iiif/1cb32d52-3300-4adc-93e9-2ba71cce44a9/full/843,/0/default.jpg)
