Duffy, Gerald G. How to teach reading systematically / Gerald G. Duffy, George B. Sherman and Laura R. Roehler. - 2nd ed. - New York: Harper & Row, 1977. - x, 363 p. ; 24 cm. Includes bibliographies. ISBN: 0060417846 Subjects--Topical Terms: Reading Dewey Class. No.: 372.414