- Alex Witchtel. "The Confessions of John Patrick Shanley." The New York Times. NOV. 7, 2004. September 1, 2018. <https://www.nytimes.com/2004/11/07/magazine/07SHANLEY.html>.
- "Doubt (2008)." September 5, 2018. . <https://www.imdb.com/title/tt0918927/?ref_=ttqt_qt_tt>.
- Roger Ebert. "Doubt." December 10, 2008. . September 4, 2018. <https://www.rogerebert.com/reviews/doubt-2008>.
- Philip French. "Doubt. ." The Guardian. . 7 FEB 2009. . September 10, 2018. <https://www.theguardian.com/film/2009/feb/08/doubt-film-review>.
- Conrad Ostwalt. "No Easy Answers: John Patrick Shanley's Doubt." September 7, 2018. . <http://thecresset.org/2009/Michaelmas/Ostwalt_M09.html>.
Doubt: A Parable
