1400–1499
National Gallery of Art, 1941
National Gallery of Art, 1922
National Gallery of Art, 1645
National Gallery of Art, 1894
National Gallery of Art, 1938
National Gallery of Art, 1627
National Gallery of Art, 1884
National Gallery of Art, 1964
National Gallery of Art, 1561
National Gallery of Art, 1925
National Gallery of Art, 1869
National Gallery of Art, 1936
![Nude Man on Horseback [reverse]](https://api.nga.gov/iiif/bec571b2-3646-44ed-ae9d-e34efd99c3f0/full/843,/0/default.jpg)
![Architekturstudie (Architectural Study) [p. 12]](https://api.nga.gov/iiif/c24cd857-a9fa-4ff4-98cf-1335e4f2434f/full/843,/0/default.jpg)
