Columbia subject headings:
Intellect.
Mind and body.
Soul.
Harvard subject headings:
Intellect--Early works to 1800
Intellect.
Mind and body--Early works to 1800
Mind and body.
Soul
Soul--Early works to 1800
Princeton subject headings:
Intellect--Early works to 1800.
Mind and body--Early works to 1800.
Soul--Early works to 1800.