Columbia subject headings:
Harvard subject headings:
Kievan Rus--History--862-1237.
Kievan Rus--Politics and government.
Russia--History--1237-1480.
Russia--Politics and government--To 1533.
Princeton subject headings:
Kievan Rus--History--862-1237.
Kievan Rus--Politics and government.
Russia--History--1237-1480.
Russia--Politics and government--To 1533.