University of Zambia Library Search for 'su:"English drama -- 20th century -- History and criticism."'

Anger and after :

By Taylor, John Russell.. Baltimore : Penguin Books, 1963

By Marowitz, Charles.. London, Methuen, 1967

By Donoghue, Denis.. Princeton, NJ : Princeton University Press, 1966 , First published in 1959.

By Taylor, John Russell.. London, Methuen, 1969 , First published in 1962. 0416127800

By Chothia, Jean. London: Longman, 1996 . xii, 336p. 0582067383