Quoted by J.w Krutch in “Introduction” to O’Neill, Nine Plays (New York: Modern Liberary,1941).p.
Eugene O’ Neill, “ What the Theatre Means to Me”. O’ Neill and his plays, ed. Oscar Cargil et al. (New York: New York Univ. Press, 1961).p.p.110-11.
Selected Plays of Eugene O’ Neill. New York: Random House, 1967.
Nine Plays by O’ Neill. New York: Modern Liberary1941.