Columbia subject headings:
Greece--Relations--Soviet Union.
Soviet Union--Relations--Greece.
Harvard subject headings:
Greece--Relations--Soviet Union.
Greeks--Soviet Union--History.
Russia--Foreign relations--1801-1917.
Soviet Union--Relations--Greece.
Princeton subject headings:
Greece--Relations--Russia.
Greeks--Russia--History.
Russia--Foreign relations--1801-1917.
Russia--Relations--Greece.