出版
Alfred Stieglitz, Camera Work, No. 12, New York, October 1905, pl. VII.
Alfred Stieglitz, Camera Work, No. 41, New York, January 1913, pl. IV.
Sarah Greenough, Alfred Stieglitz: The Key Set, Volume One 1886-1922, Abrams/National Gallery of Art, Washington, D.C., 2002, p. 182-83, cat. nos. 299 & 300.