Columbia subject headings:
Motion pictures--Aesthetics--Congresses.
Motion pictures--History--Congresses.
Motion pictures--Philosophy--Congresses.
Harvard subject headings:
Motion pictures--Aesthetics--Congresses.
Motion pictures--History--Congresses
Motion pictures--Philosophy--Congresses.
Princeton subject headings:
Motion pictures--Aesthetics--Congresses.
Motion pictures--History--Congresses.
Motion pictures--Philosophy--Congresses.