Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--History
Industries--Germany--Berlin
Reconstruction (1939-1951)--Germany--Berlin.
Treptow (Berlin, Germany)--History.
Princeton subject headings:
Berlin (Germany)--History.
Industries--Germany--Berlin.
Reconstruction (1939-1951)--Germany--Berlin.
Treptow (Berlin, Germany)--History.