. . Harold Lavine und James Wechsler, War Propaganda and the United States, New York (Institute of Propaganda Analysis) 1940, S.42-43; Time zitiert in Joe Morella et al., The Films of World War II, Secaucus/NJ (Citadel Press) 1973, S.21; Kenneth L.Geist, Pictures Will Talk: The Life and Times of Joseph L. Mankiewicz, New York (Scribners) 1978, S.91.