Columbia subject headings:
Cognition--Early works to 1800.
Intellect--Early works to 1800.
Knowledge, Theory of--Early works to 1800.
Harvard subject headings:
Cognition--Early works to 1800.
Intellect--Early works to 1800
Knowledge, Theory of--Early works to 1800
Princeton subject headings:
Cognition--Early works to 1800.
Intellect--Early works to 1800.
Knowledge, Theory of--Early works to 1800.