Columbia subject headings:
Campaign debates--United States.
Presidents--United States--Election--1960.
Presidents--United States--Election--1976.
Television in politics--United States.
Harvard subject headings:
Campaign debates--United States.
Presidents--United States--Election--1960
Presidents--United States--Election--1976
Television in politics--United States.
Princeton subject headings:
Campaign debates--United States.
Presidents--United States--Election--1960.
Presidents--United States--Election--1976.
Television in politics--United States.