1939
National Gallery of Art, 1982
National Gallery of Art, 1884
National Gallery of Art, 1964
National Gallery of Art, 1500
National Gallery of Art, 1939
National Gallery of Art, 1550
National Gallery of Art, 1944
National Gallery of Art, 1542
National Gallery of Art, 1731
National Gallery of Art, 1864
National Gallery of Art, 1940
National Gallery of Art, 1936
![Untitled (Blue) [trial proof]](https://api.nga.gov/iiif/7cc975fe-cf80-44ab-a9a2-7e84d54598da/full/843,/0/default.jpg)
![Häuserdach (Rooftop) [p. 20]](https://api.nga.gov/iiif/318c031e-86ff-43d2-b9d2-35680bf8d399/full/843,/0/default.jpg)
