Columbia subject headings:
Memory in motion pictures--Congresses.
Memory--Social aspects--Congresses.
Motion pictures--History--Congresses.
Harvard subject headings:
Memory in motion pictures--Congresses.
Memory--Social aspects--Congresses.
Motion pictures--History--Congresses
Princeton subject headings:
Memory in motion pictures--Congresses.
Memory--Social aspects--Congresses.
Motion pictures--History--Congresses.