Drabble, Margaret ed., and Jenny Stringer ed. The Concise Oxford Companion to English Literature. Oxford and New York: Oxford University Press, 1987: 180.   Link

Oxford Dictionary of National Biography. Matthew, Henry Colin Gray ed., Brian Harrison ed., and Lawrence Goldman ed. <http://www.oxforddnb.com/> 26 October 2004.   Link

Parker, Peter ed. A Reader's Guide to Twentieth-Century Writers. New York: Oxford University Press, 1996.   Link