Columbia subject headings:
Feudalism--Lithuania--History.
Feudalism--Russia--History.
Lithuania--Foreign relations--Russia--History.
Russia--Foreign relations--Lithuania--History.
Harvard subject headings:
Lithuania (Grand Duchy)--Politics and government.
Lithuania--Foreign relations--Russia.
Lithuania--History--To 1569.
Russia--Foreign relations--Lithuania.
Russia--History--Period of Consolidation, 1462-1605.
Russia--Politics and government--1533-1613.
Russia--Politics and government--To 1533.
Princeton subject headings:
Lithuania (Grand Duchy)--Politics and government.
Russia--Politics and government--1533-1613.
Russia--Politics and government--To 1533.