Columbia subject headings:
Atomism--Early works to 1800.
Immortality--Early works to 1800.
Matter--Early works to 1800.
Metaphysics--Early works to 1800.
Soul--Early works to 1800.
Harvard subject headings:
Atomism--Early works to 1800.
Immortality--Early works to 1800
Matter--Early works to 1800.
Metaphysics--Early works to 1800
Soul--Early works to 1800
Princeton subject headings: