Sources list for COMPARISON ANCIENT GREEK DRAMA MODERN THEATRE:

Elam, Harry J. Jr. "August Wilson, doubling, madness, and modern African-American drama." Modern Drama, ( 2000): Dec. 611-634.
Literary Madness

Ley, Graham. A Short Introduction to the Ancient Greek Theater. Chicago: The University of Chicago Press, 1991.
Chorus in Ancient Greek Drama

The Ancient Greeks, Internet article, http://www.arwhead.com/Greeks/
Ancient Greek Government

"The Ancient Greeks", Internet article, <http://www.arwhead.com/Greeks/> Assessed, April 18, 2005
Ancient Greek Government

Woodard, Roger D. Greek writing from Knossos to Homer : a linguistic interpretation of the origin of the Greek alphabet and the continuity of ancient Greek literacy. New York: Oxford University Press, 1997.
The Evolution of Writing