Empire and communications / Harold A. Innis. Rev. by Mary Q. Innis. Foreword by Marshall McLuhan. Innis, Harold Adams 1894-1952. Innis, Mary (Quayle) ed. Communication. P90 .I5 1972 301.243 INE Includes bibliographical references and index. Toronto University of Toronto Press 1972. 1972. 1972 Text xii, 183 p. : eng