Columbia subject headings:
Motion pictures--Censorship--Europe--History--Congresses.
Motion pictures--Europe--Catalogs.
Harvard subject headings:
Motion pictures--Censorship--Europe--Congresses.
Motion pictures--Censorship--Europe--Film catalogs--Congresses.
Motion pictures--Europe--History--Congresses.
Princeton subject headings:
Catalogs.
Motion pictures--Censorship--Europe--History--Congresses.
Motion pictures--Europe--Catalogs.