Columbia subject headings:
Harvard subject headings:
Aristotle--Criticism and interpretation--Congresses.
Isocrates--Criticism and interpretation--Congresses.
Philosophy, Ancient--Congresses.
Plato--Criticism and interpretation--Congresses.
Rhetoric--Philosophy--Congresses.
Sophists (Greek philosophy)--Congresses.
Princeton subject headings:
Aristotle--Criticism and interpretation.
Isocrates--Criticism and interpretation.
Plato--Criticism and interpretation.
Rhetoric--Greece--Athens--Philosophy.
Sophists (Greek philosophy)