Columbia subject headings:
Germany--Economic conditions--19th century.
Germany--Politics and government--1789-1900.
Industrialization--Germany--History--19th century.
Industries--Germany--History--19th century.
Harvard subject headings:
Germany--Economic conditions--19th century.
Germany--Politics and government--1789-1900
Industrialization--Germany--History--19th century.
Industries--Germany--History--19th century.
Princeton subject headings:
Germany--Economic conditions--History--19th century.
Germany--Economic policy.