Columbia subject headings:
Ambiguity in literature--Congresses.
Ambiguity in motion pictures--Congresses.
Literature, Modern--20th century--History and criticism--Congresses.
Motion pictures--Congresses.
Harvard subject headings:
Ambiguity in literature--Congresses.
Ambiguity in motion pictures--Congresses.
Literature, Modern--20th century--History and criticism--Congresses
Motion pictures--Congresses
Princeton subject headings:
Ambiguity in literature--Congresses.
Ambiguity in motion pictures--Congresses.
Literature, Modern--20th century--History and criticism--Congresses.
Motion pictures--Congresses.