Columbia subject headings:
Eighteenth century.
Europe--Intellectual life--18th century.
Voltaire, 1694-1778.
Harvard subject headings:
Eighteenth century.
Europe--Intellectual life--18th century.
Voltaire, 1694-1778--Contemporary Europe.
Princeton subject headings:
Eighteenth century.
Europe--Intellectual life--18th century.
Voltaire, 1694-1778.