1920–1930
National Gallery of Art, 1860
National Gallery of Art, 1968
National Gallery of Art, 1932
National Gallery of Art, 1936
National Gallery of Art, 1500
National Gallery of Art, 1935
National Gallery of Art, 1979
National Gallery of Art, 1622
National Gallery of Art, 1927
National Gallery of Art, 1612
National Gallery of Art, 1895
![3 Flags for 1 Space and 6 Regions [top left panel]](https://api.nga.gov/iiif/83fc7e02-1245-4a27-bf24-994556e73f38/full/843,/0/default.jpg)
![Männliche Bildnisstudie (Male Portrait Study) [p. 60]](https://api.nga.gov/iiif/42b3f024-f28b-4db3-aa75-407ba7b39026/full/843,/0/default.jpg)
