Laura Coyle (Author) and Dare Myers Hartwell (Author), Antiquities to Impressionism: The William A. Clark Collection, Corcoran Gallery of Art, Washington, D.C., 2001, p. 37, ill. 28
Jane Livingston (Author), Odyssey: The Art of Photography at National Geographic (Exh. cat.), Thomasson-Grant, Charlottesville, 1988, ill. 61
Jacob Gayer (Contributor), Unique Gifts of Washington to the Nation, National Geographic Magazine, Washington, D.C., 1929 April, vol. 55 [LV], no. 4, p. 472-481