Columbia subject headings:
Germany--Foreign relations--1888-1918.
Germany--Politics and government--1888-1918.
Imperialism.
Harvard subject headings:
Germany--Foreign relations--1888-1918.
Germany--Politics and government--1888-1918
Imperialism.
Princeton subject headings:
Germany--Foreign relations--1888-1918.
Germany--Politics and government--1888-1918.
Imperialism.