Columbia subject headings:
Germany--Politics and government--1789-1900.
Police--Germany--History--19th century.
Political rights--Germany--History--19th century.
Harvard subject headings:
Germany--Politics and government--1789-1900
Police--Germany--History--19th century.
Political rights--Germany--History--19th century.
Princeton subject headings:
Germany--History--1848-1870.
Police--Germany--History--Sources.