Columbia subject headings:
Great Britain--Foreign relations--1901-1910.
Great Britain--Foreign relations--1910-1936.
World War, 1914-1918--Causes.
World War, 1914-1918--Great Britain.
Harvard subject headings:
Great Britain--Foreign relations--1901-1910.
Great Britain--Foreign relations--1910-1936.
World War, 1914-1918--Causes
World War, 1914-1918--Great Britain
Princeton subject headings:
Great Britain--Foreign relations--1901-1910.
Great Britain--Foreign relations--1910-1936.
World War, 1914-1918--Causes.
World War, 1914-1918--Great Britain.