Berkowitz, Gerald M.
American drama of the twentieth century
Longman, 1994
 Buku Teks SO
Gagey, Edmond M.
Revolution in American drama
Columbia University Press, 1948
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McKenna, George
The drama of democracy: American government and politics
McGraw-Hill, 1998
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Reck, Andrew J.
Recent American philosophy: studies of ten representative thinkers
Pantheon Books, 1964
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Bonner, Thomas Neville
Our recent past : American civilization in the twentieth century
Prentice-Hall, 1963
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