Columbia subject headings:
Atheism--History--Modern period, 1500-
Enlightenment--History.
Harvard subject headings:
Atheism--History--Modern period, 1500-
Enlightenment--History.
Enlightenment.
Materialism--History.
Philosophy--History
Princeton subject headings:
Atheism--History.
Enlightenment--History.
Materialism--History.
Philosophy--History.