1911
National Gallery of Art, 1980
National Gallery of Art, 1750
National Gallery of Art, 1899
National Gallery of Art, 1550
National Gallery of Art, 1936
National Gallery of Art, 1797
National Gallery of Art, 1627
National Gallery of Art, 2014
National Gallery of Art, 1935
National Gallery of Art, 1989
National Gallery of Art, 1999
Alfred Stieglitz, 1920
![Unicorn Before a High Rock [reverse]](https://api.nga.gov/iiif/8c53e610-464f-4169-b18f-9fefed8dddb2/full/843,/0/default.jpg)
