Columbia subject headings:
Eighteenth century.
Europe--Intellectual life.
Literature, Modern--18th century--History and criticism.
Philosophy, Modern--17th century--History.
Philosophy, Modern--18th century--History.
Seventeenth century.
Harvard subject headings:
Philosophy, Modern--18th century.
Religious thought--18th century.
Princeton subject headings:
Eighteenth century.
Europe--Intellectual life.
Literature, Modern--18th century--History and criticism.
Philosophy, Modern--History.
Seventeenth century.