Homer, William I, Catherine Johnson, and Alfred Stieglitz. Stieglitz and the Photo-Secession, 1902. London: Penguin Putnam, 2002. (printed backwards)
Kruse, Margret. Kunstphotographie Um 1900: D. Sammlung Ernst Juhl; Hamburg: Museum für Kunst u. Gewerbe, 1989 pl. 587
Stieglitz, Alfred, Richard Whelan, and Sarah Greenough. Stieglitz on Photography: His Selected Essays and Notes. New York, NY: Aperture Foundation, 2000. p. 121