Columbia subject headings:
Harvard subject headings:
Aristotle
Aristotle--Influence--Congresses.
Art--Psychology
Arts, Modern--Themes, motives--Congresses.
Bernays, Edward L., 1891-1995--Congresses.
Catharsis--Congresses.
Catharsis.
Emotions in art--Congresses.
Freud, Sigmund, 1856-1939--Congresses.
Nietzsche, Friedrich Wilhelm, 1844-1900--Congresses.
Tragedy--History and criticism--Congresses.
Princeton subject headings:
Aristotle--Criticism and interpretation.
Art--Psychology.
Catharsis.