Columbia subject headings:
Crimean Khanate--Foreign relations--Russia.
Russia--Foreign relations--Crimean Khanate.
Russia--Foreign relations--To 1689.
Harvard subject headings:
Crimean Khanate--Foreign relations--Russia.
Russia--Foreign relations--Crimean Khanate.
Russia--Foreign relations--To 1689.
Princeton subject headings:
Crimean Khanate--Relations--Russia.
Russia--History--Ivan III, 1462-1505.
Russia--Politics and government--To 1533.
Russia--Relations--Crimean Khanate.