Columbia subject headings:
Motion pictures--Censorship--Great Britain--History--20th century.
Motion pictures--Censorship--United States--History--20th century.
Sex in motion pictures.
Harvard subject headings:
Motion pictures--Censorship--Great Britain--History--20th century.
Motion pictures--Censorship--United States--History--20th century.
Sex in motion pictures.
Princeton subject headings:
Motion pictures--Censorship--Great Britain--History--20th century.
Motion pictures--Censorship--United States--History--20th century.
Sex in motion pictures.