Voelker, Francis H., Mass media: forces in our society / Edited by Francis and Ludmila Voelker. - New York, Harcourt Brace Jovanovich c1972. - xi, 395 p. illus. 24 cm. Includes bibliographies. ISBN: 0155551183 Subjects--Topical Terms: Mass media--United States. Dewey Class. No.: 302.23 / MAS 1972