Columbia subject headings:
Elite (Social sciences)--Russia--History.
Nobility--Russia--History--18th century.
Russia--Civilization--18th century.
Harvard subject headings:
Elite (Social sciences)--Russia--History--18th century.
Elite (Social sciences)--Russia--History.
Nobility--Russia--History--18th century.
Russia--Civilization--18th century.
Princeton subject headings:
Elite (Social sciences)--Russia--History.
Nobility--Russia--History--18th century.
Russia--Civilization--18th century.