Columbia subject headings:
Animal intelligence.
Cognition in animals.
Descartes, René, 1596-1650.
Human beings--Animal nature--History.
Hume, David, 1711-1776.
Montaigne, Michel de, 1533-1592.
Philosophical anthropology--History.
Harvard subject headings:
Animal intelligence.
Cognition in animals.
Human beings--Animal nature--History.
Philosophical anthropology--History.
Princeton subject headings:
Animal intelligence.
Cognition in animals.
Descartes, René, 1596-1650.
Human beings--Animal nature--History.
Hume, David, 1711-1776.
Montaigne, Michel de, 1533-1592.
Philosophical anthropology--History.