Columbia subject headings:
Motion pictures--Europe, Eastern--History--20th century--Congresses.
Motion pictures--Poland--History--20th century--Congresses.
Harvard subject headings:
Motion pictures--Europe, Eastern--History--20th century--Congresses.
Motion pictures--Poland--History--20th century--Congresses.
New wave films--History and criticism--Congresses.
New wave films--Poland--History and criticism--Congresses.
Princeton subject headings:
Motion pictures--Europe, Eastern--History--20th century--Congresses.
Motion pictures--Poland--History--20th century--Congresses.