Columbia subject headings:
Kievan Rus--History--862-1237.
Harvard subject headings:
Ethnology
History
Russia--History--To 1533.
Princeton subject headings:
Kievan Rus--Historiography.
Kievan Rus--History.
Slavs, Eastern--Historiography.
Slavs, Eastern--Politics and government--Historiography.
Slavs, Eastern--Politics and government.
Slavs, Eastern.