Columbia subject headings:
Germany--Foreign relations--1871-
Germany--Foreign relations--1871-1918.
William II, German Emperor, 1859-1941.
World War, 1914-1918--Causes.
Harvard subject headings:
Germany--Foreign relations--1871-1918.
William II, German Emperor, 1859-1941
World War, 1914-1918--Causes
Princeton subject headings:
Germany--Foreign relations--1871-1918.
William II, German Emperor, 1859-1941.
World War, 1914-1918--Causes.