Columbia subject headings:
Motion pictures--Political aspects--United States.
Motion pictures--United States--History.
Politics in motion pictures.
Harvard subject headings:
Motion pictures--Political aspects--United States
Motion pictures--United States--History
Politics in motion pictures.
United States--Politics and government--20th century.
Princeton subject headings:
Motion pictures--Political aspects--United States.
Motion pictures--United States--History.
Politics in motion pictures.