Columbia subject headings:
Harvard subject headings:
Austria--Foreign relations.
Austria--Politics and government--1866-1918.
Europe--Politics and government--1871-1918.
World War, 1914-1918--Causes
Princeton subject headings:
Austria--Foreign relations.
Austria--Politics and government--1867-1918.
Europe--Politics and government--1871-1918.
World War, 1914-1918--Causes.