Richard A. Etlin, Art, Culture, and Media under the Third Reich, University of Chicago Press, 15 ottobre 2002, p. 143, ISBN 978-0-226-22087-1. URL consultato il 28 ottobre 2011.
«The postwar conflicting testimony of some of the principals, in which all claim to be friends of the Jews, is crass and self-serving. But amidst the self-serving evasions is enough documented fact to suggest how much opportunism rather than ideology explains the gestation of the most successful antisemitic feature film ever made—in the period before the appointment of Veit Harlan as director.»
