About Clifford Leech CLIFFORD LEECH is professor of English, University College, University of Toronto. Books by Clifford Leech Twelfth Night and Shakespearian Comedy edited by Clifford Leech & John Margeson Twelfth Night and Shakespearian Comedy edited by Clifford Leech & John Margeson Shakespeare 1971 Proceedings of the World Shakespeare Congress Vancouver, August 1971 edited by Clifford Leech & John Margeson Shakespeare 1971 Proceedings of the World Shakespeare Congress Vancouver, August 1971 edited by Clifford Leech & John Margeson