by Alfred Stieglitz, on mount, lower center, in graphite: 1915 from Backwindow, 291 —; center left verso: 1915-1
by Georgia O'Keeffe, on mount, lower left verso, in graphite: 90 E
by later hand, on mount, upper left verso, in graphite: 1
Georgia O'Keeffe; gift to NGA, 1949.
- Photographs by Alfred Stieglitz, National Gallery of Art, Washington, March 16 – April 27, 1958, no. 24.
- Alfred Stieglitz: Known and Unknown, National Gallery of Art, Washington; The Museum of Fine Arts, Houston, 2002-2003, as From the Back-Window--291.
- Bry, Doris. Exhibition of Photographs by Alfred Stieglitz. National Gallery of Art, Washington, 1958: p.20.
- Greenough 2002, cat. 420.