Francois, William E. Introduction to mass communications and mass media / William E. Francois. - Columbus, Ohio : Grid, inc., 1977. - xv, 456 p. : ill. ; 23 cm. - Grid series in advertising and journalism . index ISBN: 0882441418 Subjects--Topical Terms: Mass media--United States. Dewey Class. No.: 301.16 / FRI 1977