Inscription: Accompanying label inscribed in the hand of Alfred Stieglitz in ink: "Stieglitz Collection [underlined] // Italian Landscape + Villa; // by huhgo Henneberg // Vienna // 1902 Multiple Gum"
Vancouver Art Gallery. "TruthBeauty: Pictorialism and the Golden Age of Photography," February 2, 2008–April 27, 2008.
Neue Galerie. "Heinrich Kühn," April 26, 2012–August 27, 2012.
Photographische Rundschau und Photographisches Centralblatt (1904). p. 207.
Naef, Weston J. The Collection of Alfred Stieglitz: Fifty Pioneers of Modern Photography. Studio Book. 1st ed. New York: The Metropolitan Museum of Art, 1978. no. 313.
Nordström, Allison. TruthBeauty: Pictorialism and the Photograph as Art, 1845–1945. Vancouver: Vancouver Art Gallery, 2008. p. 132, [attributed to Henneberg].
Faber, Monika, ed. Heinrich Kuehn and His American Circle: Alfred Stieglitz and Edward Steichen. New York: Neue Galerie, 2012. pp. 44-45.
Another print from this negative, signed by Kühn, is in the collection of the Museum Folkwang, Essen, Germany