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