Columbia subject headings:
Berlin (Germany)--Economic conditions.
Berlin (Germany)--Reorganization.
Brandenburg (Germany : State)--Economic conditions.
Brandenburg (Germany : State)--Reorganization.
State governments--Germany.
Harvard subject headings:
Berlin (Germany)--History--Economic aspects.
Brandenburg (Germany : State)--History--Economic aspects.
Germany--History--Unification, 1990--Economic aspects.
Princeton subject headings:
Berlin (Germany)--History--Economic aspects.
Brandenburg (Germany : State)--History--Economic aspects.
Germany--History--Unification, 1990--Economic aspects.