Columbia subject headings:
Russia--Social life and customs.
Harvard subject headings:
Kievan Rus--History--862-1237.
Kievan Rus--Social life and customs.
Russia--History--To 1533.
Princeton subject headings:
Kievan Rus--History--862-1237.
Kievan Rus--Social life and customs.
Russia--History--To 1533.