Columbia subject headings:
Europe--Politics and government--1789-1900.
Germany--Foreign relations--1789-1900.
Germany--Politics and government--1789-1900.
Harvard subject headings:
Europe--Politics and government--1789-1900.
Germany--Foreign relations--1789-1900.
Germany--Politics and government--1789-1900.
Princeton subject headings:
Europe--Politics and government--1789-1900.
Germany--Foreign relations--1789-1900.
Germany--Politics and government--1789-1900.