Columbia subject headings:
Civilization, Western--History--18th century.
Civilization, Western--History--19th century.
Europe--Intellectual life--18th century.
Europe--Intellectual life--19th century.
Philosophy, Modern--18th century.
Philosophy, Modern--19th century.
Harvard subject headings:
Civilization, Western--History--18th century.
Civilization, Western--History--19th century.
Europe--Intellectual life--18th century.
Europe--Intellectual life--19th century.
Philosophy, Modern--18th century.
Philosophy, Modern--19th century.
Princeton subject headings:
Civilization, Western--History--18th century.
Civilization, Western--History--19th century.
Europe--Intellectual life--18th century.
Europe--Intellectual life--19th century.
Philosophy, Modern--18th century.
Philosophy, Modern--19th century.