by Doris Bry, on mount, lower left: Treated by Steichen 6/50; center verso, in graphite: K48E
Georgia O'Keeffe; gift to NGA, 1949.
- Photographs by Alfred Stieglitz, National Gallery of Art, Washington, February 3–May 8, 1983, no. 100; Metropolitan Museum of Art, New York, June 17–August 14, 1983; The Art Institute of Chicago, October 18, 1983–January 3, 1984.
- Alfred Stieglitz at Lake George. Museum of Modern Art, New York, 14 September 1995-2 January 1996, illus. pl.54.
- Alfred Stieglitz: Known and Unknown, National Gallery of Art, Washington; The Museum of Fine Arts, Houston, 2002-2003, as Margaret Treadwell.
- Greenough, Sarah, and Juan Hamilton. Alfred Stieglitz: Photographs and Writings. Washington, 1983: no. 103, pl. 47.
- Greenough 2002, cat. 689.