Columbia subject headings:
Aristotle.
Greek drama (Tragedy)--Congresses.
Theory of tragedy.
Tragedy--Congresses.
Tragedy--Psychological aspects.
Harvard subject headings:
Aristotle--Contributions in theory of tragedy.
Greek drama (Tragedy)--Congresses.
Tragedy--Congresses.
Tragedy--Psychological aspects.
Princeton subject headings:
Aristotle--Influence.
Greek drama (Tragedy)--Congresses.
Tragedy--Congresses.
Tragedy--Psychological aspects.