Coe, Richard N. Ionesco. A Study of His Plays, Methuen & Co., 1971, p 60

Esslin, Martin The Theatre of the Absurd, 2nd edition, Penguin, 1968, pp. 135,138,351.

Gaensbauer, Deborah B Eugene Ionesco Revisited, Twayne, 1996, pp 13-14,17.

Ionesco, Eugene. Notes and Counter Notes, translated by Donald Watson, Grove, 1964, pp. 179-81,184-85.

Lemarchand, Jacques,"Preface to Eugene Ionesco," Theatre I, Gallimard, 1954, p. 9

Scheduler, Richard." The Bald Soprano and The Lesson: An Inquiry into Play Structure," m Ionesco: A Collection of Critical Essays, edited by Rosette C. Lamont, Prentice Hall, 1973, p. 22.

Wellwarth, George E. "Beyond Realism: Ionesco's Theory of the Drama," in The Dream and the Play: Ionesco's Theatrical Quest, edited by Moshe Lazar, Undena Publications, 1982, p. 34.