Columbia subject headings:
Motion pictures--Mexico.
Motion pictures--Plots, themes, etc.
Motion pictures--Social aspects.
Motion pictures--United States.
Harvard subject headings:
Motion picture actors and actresses--United States--Biography.
Motion pictures--United States
Politics in motion pictures.
Sex in motion pictures.
Violence in motion pictures.
Princeton subject headings:
Motion pictures.
Politics in motion pictures.
Sex in motion pictures.
Violence in motion pictures.