Crowther, Bosley. The New York Times, film review, "'Secret Beyond the Door,' With Joan Bennett and Michael Redgrave, Has Premiere", January 16, 1948. Accessed: July 12, 2013.
Jones, Clydefro (November 16, 2011). "Secret Beyond the Door". The Digital Fix. Archived from the original on February 20, 2015. Retrieved February 20, 2015.
Jones, Clydefro (November 16, 2011). "Secret Beyond the Door". The Digital Fix. Archived from the original on February 20, 2015. Retrieved February 20, 2015.