Columbia subject headings:
Russia--Foreign relations--Turkey.
Turkey--Foreign relations--Russia.
Harvard subject headings:
Russia--Foreign relations--Turkey.
Russia--Relations--Turkey--Congresses.
Soviet Union--Relations--Turkey--Congresses.
Turkey--Foreign relations--Russia.
Turkey--Relations--Russia--Congresses.
Turkey--Relations--Soviet Union--Congresses.
Princeton subject headings:
Russia--Foreign relations--Turkey.
Turkey--Foreign relations--Russia.