Columbia subject headings:
Aristotle.
Concepts--History.
Form (Philosophy)--History.
Plato.
Platonists.
Harvard subject headings:
Aristotle
Concepts--History.
Form (Philosophy)--History.
Plato
Platonists.
Princeton subject headings:
Aristotle.
Concepts--History.
Form--History.
Plato.
Platonists.