Columbia subject headings:
Harvard subject headings:
Business and politics--Germany--History.
Businesspeople--Germany--History.
Entrepreneurship--Germany--History.
Industrial management--Germany--History.
Working class--Germany--History.
Princeton subject headings:
Entrepreneurship--Germany (East).
Entrepreneurship--Germany (West).
Germany (East)--Economic conditions--1945-1990.
Germany (West)--Economic conditions--1945-1990.