Frye, Northrop. Fearful symmetry : a study of William Blake / Northrop Frye. - Paperback ed. - New Jersey : Princeton university press, c 1958. - 462 p. : ill. ; 23 cm. Includes index. 334 334 Subjects--Personal Names: William Blake--1757-1827. Subjects--Topical Terms: English literature--19th century. Dewey Class. No.: 821.709 / F948f