Elihu Katz Mass Media and Social Change - London Sage Publications Limited 1981 - 270p Elihu Katz & Thomas Szecsko: Mass Media and Social Change. London. Sage Publications Limited, 1981. 0-8039-9807-4--(302.23KAT) ENGLISH ISBN: 0-8039-9807-4 Dewey Class. No.: 302.23 / KAT