Forbes Watson. Arts of War exhibit at the Detroit Institute of Arts, 1944. Forbes Watson papers, 1840-1967. Archives of American Art, Smithsonian Institution.
Sam Shain. Sam Shain, New York, N.Y. letter to Forbes Watson, Washington, D.C., 1944 Feb. 27. Forbes Watson papers, 1840-1967. Archives of American Art, Smithsonian Institution.
Carl Klein Studios (New York, N.Y.). Standing figure by William Zorach, 193-?. Forbes Watson papers, 1840-1967. Archives of American Art, Smithsonian Institution.