Columbia subject headings:
Aristotle. Topics.
Dialectic--Early works to 1800.
Logic--Early works to 1800.
Harvard subject headings:
Aristotle. Topics.
Dialectic--Early works to 1800.
Logic--Early works to 1800
Princeton subject headings:
Aristotle. Topics.
Dialectic--Early works to 1800.
Logic--Early works to 1800.