Columbia subject headings:
Aristotle.
Lessing, Gotthold Ephraim, 1729-1781.
Harvard subject headings:
Aristotle
Aristotle--Contributions in theory of tragedy.
Lessing, Gotthold Ephraim, 1729-1781--Aesthetics.
Lessing, Gotthold Ephraim, 1729-1781.
Princeton subject headings: