Brustein, Robert. "A Naturalism of the Grotesque" in the New Republic, Volume CXLV, 1961, p. 21.
Darlington, W. A. "Enjoyable Pinter" in the Daily Telegraph, June 21, 1964, p. 18.
Esslin, Martin. The Theatre of the Absurd, revised and enlarged edition, Penguin Books, 1976.
Ganz, Arthur, editor. Introduction to Pinter: A Collection of Critical Essays, Prentice-Hall, 1972.
Hobson, Harold. "The Screw Turns Again" in the Times, May 25, 1958, p. 11.
Hollis, James. Harold Pinter: The Poetics.....