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Bryer, Jackson R., "Thornton Wilder at 100: His Achievement and His Legacy," in Thornton Wilder: New Essays, edited by Martin Blank, Dalma Hunyadi Brunauer, and David Garrett Izzo, Locust Hill Press, 1999, pp. 3-20.

Burbank, Rex, Thornton Wilder, Twayne Publishers, 1961, pp. 100-01.

Gold, Michael, "Notes of the Month," in New Masses, April 1930, pp. 3-5.

Wilder, Thornton, "Preface," in Three Plays, Harper & Row, 1957, pp. viii-xiv.