Beckett, Samuel. Happy Days: The Production Notebook of Samuel Beckett. Ed. James Knowlson. Boston: Faber and Faber, 1985.
—-. Three Novels: Molloy, Malone Dies, The Unnamable. New York: Grove, 1965.
—-. Waiting for Godot. New York: Grove Press, 1954.
Doherty, Francis. Samuel Beckett. London: Hutchinson University Library, 1971.
Gontarski, S. E. Beckett's Happy Days: A Manuscript Study. Columbus, Ohio: Ohio State UP, 1977.
—-, ed. On Beckett. New York: Grove, 1986.
Sohn, Doug-Ho. The Concept of Time and Space in Beckett's Dramas, Happy Days and Waiting for Godot. Hankuk University of Foreign Studies, Seoul, Korea. <http:home.sprintmail.com/~lifeform/happy_godot.html>.
