Columbia subject headings:
Enlightenment--Europe.
Enlightenment--Russia.
Europe--Civilization--18th century.
Europe--Intellectual life--18th century.
Russia--Civilization--18th century.
Russia--Intellectual life--18th century.
Harvard subject headings:
Enlightenment--Europe
Enlightenment--Russia
Europe--Civilization--18th century.
Europe--Intellectual life--18th century.
Russia--Civilization--18th century.
Russia--Intellectual life--18th century.
Princeton subject headings:
Enlightenment--Europe.
Enlightenment--Russia.
Europe--Civilization--18th century.
Europe--Intellectual life--18th century.
Russia--Civilization--18th century.
Russia--Intellectual life--18th century.