Columbia subject headings:
Mass media--Political aspects--United States.
Mass media--Political aspects.
United States--Politics and government--1989-
United States--Politics and government--1989-1993.
Harvard subject headings:
Mass media--Political aspects
Mass media--Political aspects--United States
United States--Politics and government--1989-
Princeton subject headings:
Mass media--Political aspects--United States.
Mass media--Political aspects.
United States--Politics and government--1989-