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McBride, Joseph. Frank Capra: The Catastrophe of Success. New York: Touchstone Books, 1992, ISBN0-671-79788-3.
Michael, Paul, ed. The Great Movie Book: A Comprehensive Illustrated Reference Guide to the Best-loved Films of the Sound Era. Englewood Cliffs, New Jersey: Prentice-Hall Inc., 1980. ISBN0-13-363663-1.
Poague, Leland. The Cinema of Frank Capra: An Approach to Film Comedy. London: A.S. Barnes and Company Ltd., 1975, ISBN0-498-01506-8.
Scherle, Victor and William Levy. The Films of Frank Capra. Secaucus, New Jersey: The Citadel Press, 1977. ISBN0-8065-0430-7.
Schweinitz, Jorg (Translated by Laura Schleussner). "Enjoying the stereotype and intense double-play acting". Film and Stereotype: A Challenge for Cinema and Theory (E-book). New York: Columbia Press, 2011. ISBN978-0-231-52521-3.