Bond, Christopher, Introduction to Sweeney Todd: The Demon Barber of Fleet Street, by Hugh Wheeler and Stephen Sondheim, Applause, 1979, pp. 1—9.

Eder, Richard, "Stage: Introducing Sweeney Todd," in the New York Times, March 2, 1979, p. C3.

Fraser, Barbara Means, "The Dream Shattered: America's Seventies Musicals," in Journal of American Culture, Vol. 12, No. 3, Fall 1989, pp. 31—37.

Henry, William A., III, Review of Sweeney Todd, in Time, Vol. 134, No. 13, September 25, 1989, p. 76.

Hirsch, Foster, "A Little Sondheim Music (III)," in his Harold Prince and the American Musical Theatre, Cambridge University Press, 1989, p. 120.

Orchard, Lee F., "Stephen Sondheim and the Disintegration of the American Dream: A Study of the Work of Stephen Sondheim from Company to Sunday in the Park with George," Ph.D. Dissertation, University of Oregon, 1988, pp. 398—99, 468.

Schlesinger, Judith, "Psychology, Evil, and Sweeney Todd, or 'Don't I Know You, Mister?'" in Stephen Sondheim: A Casebook, edited by Joanne Gordon...