1935–1942
National Gallery of Art, 1634
National Gallery of Art, 1937
National Gallery of Art, 1565
United States Government, 1939
National Gallery of Art, 1571
National Gallery of Art, 1935
United States Government, 1935
National Gallery of Art, 1913
National Gallery of Art, 1910
National Gallery of Art, 1938
United States Government, 1936
![Siblings (Brother and Sister) [Geschwister]](https://api.nga.gov/iiif/ed2078f3-88fe-4f2d-b130-5fbe4d22ed01/full/843,/0/default.jpg)
