Columbia subject headings:
Harvard subject headings:
Aristotle
Emblems--Early works to 1800.
Poetics--Early works to 1800
Rhetoric--Early works to 1800
Symbolism in literature.
Princeton subject headings:
Aristotle.
Oratory--Early works to 1800.
Poetics--Early works to 1800.
Rhetoric--Early works to 1800.