Northrop Frye, Robert D. Denham (2003). “Northrop Frye's Notebooks and Lectures on the Bible and Other Religious Texts”, p.158, University of Toronto Press
"The Critical Path and Other Writings on Critical Theory, 1963-1975 (Design as a Principle in the Arts)". Book edited by Jean O'Grady and Eva Kushner, March 14, 2009.