Aristotle.The Poetics . In European Theories of the Drama, edited by Barrett H. Clark.New York: Crown Publishers, 1965.
2.
Arnheim, Rudolph.Toward a Psychology of Art. Berkeley: University of California Press, 1966.
3.
Barnet, Sylvan; Berman, Morton ; and Burto, William, editors. The Genius of the Early English Theatre. New York: New American LibraryMentor Book, 1962.
4.
Brecht, Bertolt. "Theatre for Pleasure or Theatre for Instruction." In Brecht on Theatre, edited by John Willett. New York: Hill and Wang, 1964.
5.
Horace. "The Art of Poetry ." In European Theories of the Drama, edited by Barrett H. Clark.New York: Crown Publishers, 1965.
6.
Jones, LeRoi. "The Revolutionary Theatre." Liberator5(July 1965).
7.
Maslow, Abraham.Motivation and Personality. New York: Harper and Row, 1970.
8.
Shaw, George Bernard. "The Problem Play." In European Theories of the Drama , edited by Barrett H. Clark.New York: Crown Publishers, 1965 .
9.
Tolstoy, Leo. "Art and Communication." In Artistic Expression, edited by J. Hospers.New York : Appleton, Century, Crofts, 1971 .
10.
Waren, Stanley A. "The City and the Theatre." Performing Arts Journal4(1979):118-124.
11.
Weiss, Paul.The World of Art. Carbondale, Ill.: Southern Illinois University Press, 1964.