Columbia subject headings:
Harvard subject headings:
Austria--Foreign relations--Italy.
Italy--Foreign relations--Austria.
Italy--History--1789-1900.
Italy--History--1870-1914.
World War, 1914-1918--Causes
World War, 1914-1918--Italy.
Princeton subject headings:
Austria--Foreign relations--Italy.
Italy--Foreign relations--Austria.
Italy--History--1789-1900.
World War, 1914-1918--Causes.
World War, 1914-1918--Italy.