Columbia subject headings:
Harvard subject headings:
Entrepreneurship--Germany (East)--History--20th century.
Entrepreneurship--Germany (West)--History--20th century.
Germany (East)--Foreign economic relations--Germany (West)
Germany (West)--Foreign economic relations--Germany (East)
Germany--Economic conditions--1990-
Germany--History--Unification, 1990
Princeton subject headings:
Entrepreneurship--Germany (East)--History--20th century.
Entrepreneurship--Germany (West)--History--20th century.
Germany (East)--Foreign economic relations--Germany (West).
Germany (West)--Foreign economic relations--Germany (East).
Germany--Economic conditions--1990-
Germany--History--Unification, 1990.