Columbia subject headings:
Eastern question (Balkan)
Italy--Foreign relations--1870-1914.
Italy--Foreign relations--Soviet Union.
Racconigi (Italy)--History.
Russia--Foreign relations--1894-1917.
Soviet Union--Foreign relations--Italy.
Straits question.
Harvard subject headings:
Eastern question (Balkan)
Italy--Foreign relations--1870-1914.
Italy--Foreign relations--Soviet Union.
Racconigi (Italy)--History.
Russia--Foreign relations--1894-1917.
Soviet Union--Foreign relations--Italy.
Straits question
Princeton subject headings:
Eastern question (Balkan)
Italy--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Italy.