Columbia subject headings:
Harvard subject headings:
Motion picture film--History--Congresses.
Motion pictures--Aesthetics--Congresses.
Motion pictures--Political aspects--Congresses.
Princeton subject headings:
Motion picture film--Congresses.
Motion pictures--Aesthetics--Congresses.
Motion pictures--Political aspects--Congresses.
Stills (Motion pictures)--Congresses.
Video art--Congresses.