Columbia subject headings:
History--Philosophy--Congresses.
Philosophy, French--18th century--Congresses.
Voltaire, 1694-1778--Appreciation--Congresses.
Voltaire, 1694-1778--Congresses.
Harvard subject headings:
History--Philosophy--Congresses
Philosophy, French--18th century--Congresses.
Voltaire, 1694-1778--Appreciation--Congresses.
Voltaire, 1694-1778--Congresses.
Princeton subject headings:
History--Philosophy--Congresses.
Philosophy, French--18th century--Congresses.
Voltaire, 1694-1778--Appreciation--Congresses.
Voltaire, 1694-1778--Congresses.