^"Her Secret". Helen Mitchell. 1933. Retrieved August 8, 2019.
Bibliography
Goble, Alan, ed. (2011). The Complete Index to Literary Sources in Film. Walter de Gruyter. ISBN9783110951943.
McCarty, Clifford (2000). Film Composers in America: A Filmography, 1911–1970. Oxford University Press. ISBN9780195114737.
Pitts, Michael R. (2005). "Ideal Pictures Corporation". Poverty Row Studios, 1929–1940: An Illustrated History of 55 Independent Film Companies, with a Filmography for Each. McFarland & Company. ISBN9781476610368.