Brockett, Oscar G. and Franklin J. Hildy. 2003. History of the Theatre. Ninth edition, International edition. Boston: Allyn and Bacon. ISBN0-205-41050-2.
Eyre, Richard and Nicholas Wright. 2000. Changing Stages: A View of British Theatre in the Twentieth Century. London: Bloomsbury. ISBN0-7475-4789-0.
Milling, Jane and Peter Thomson, eds. 2004. The Cambridge History of British Theatre. Cambridge: Cambridge University Press. 397–401. ISBN0-521-82790-6.