Columbia subject headings:
Nobility--Russia--History--18th century.
Nobility--Russia--History--19th century.
Russia--Court and courtiers.
Russia--Social life and customs--1533-1917.
Harvard subject headings:
Nobility--Russia--History--18th century.
Nobility--Russia--History--19th century.
Russia--Court and courtiers.
Russia--Social life and customs--1533-1917.
Princeton subject headings: