Columbia subject headings:
Byzantine Empire--Foreign relations--Kievan Rus.
Byzantine Empire--Foreign relations--Russia.
Kievan Rus--Foreign relations--Byzantine Empire.
Russia--Foreign relations--Byzantine Empire.
Russia--Foreign relations--Turkey.
Russia--History, Military.
Russia--History, Naval.
Turkey--Foreign relations--Russia.
Turkey--Politics and government.
Harvard subject headings:
Princeton subject headings:
Byzantine Empire--Foreign relations--Kievan Rus.
Byzantine Empire--Foreign relations--Russia.
Kievan Rus--Foreign relations--Byzantine Empire.
Russia--Foreign relations--Byzantine Empire.
Russia--History, Military.
Russia--History, Naval.