Columbia subject headings:
Germany, Southern--Economic conditions.
Germany, Southern--History.
Germany, Southern--Social conditions.
Westphalia (Germany)--Economic conditions.
Westphalia (Germany)--History.
Westphalia (Germany)--Social conditions.
Harvard subject headings:
Germany, Southern--Economic conditions.
Germany, Southern--History.
Germany, Southern--Social conditions.
Westphalia (Germany)--Economic conditions.
Westphalia (Germany)--History.
Westphalia (Germany)--Social conditions.
Princeton subject headings: