Columbia subject headings:
Eastern question.
Germany--Foreign relations--1871-1918.
Imperialism.
Harvard subject headings:
Eastern question.
Germany--Foreign relations--1871-1918.
Imperialism.
Princeton subject headings:
Eastern question.
Germany--Foreign relations--1871-1918.
Great Britain--Foreign relations--1837-1901.
Great Britain--Foreign relations--1901-1936.