G. Ray Hawkins Gallery, Los Angeles
Camera Work, October 1911, Number 36
Stieglitz, 291, September-October 1915
Bulfinch Press, Alfred Stieglitz, pl. 18
Green, A Critical History of American Photography, p. 195
Greenough, Alfred Stieglitz: The Key Set, Volume One, cat. nos. 310-314
Margolis, Alfred Stieglitz, Camera Work: A Pictorial Guide, p. 100
Norman, Alfred Stieglitz: An American Seer, pl. XVI
Taschen, Photo Icons: The Story Behind the Pictures, Volume 1, p. 135
The Museum of Fine Arts, Boston, Alfred Stieglitz: Photographer, pl. 8
Whelan, Alfred Stieglitz: A Biography, Photography, Georgia O'Keeffe, and the Rise of the Avant-Garde in America, n.p.
Artforum, 'On the Invention of Photographic Meaning', January 1975, p. 36