Columbia subject headings:
Enlightenment--History--Congresses.
God--Knowableness--Congresses.
Religious thought--18th century--Congresses.
Harvard subject headings:
Enlightenment--Congresses
God--Knowableness--Congresses.
Religious thought--18th century--Congresses.
Princeton subject headings:
Enlightenment.
Faith--History of doctrines.