Columbia subject headings:
Central business districts--England--London.
Central business districts--Germany--Berlin.
Urban renewal--England--London.
Urban renewal--Germany--Berlin.
Harvard subject headings:
Central business districts--England--London.
Central business districts--Germany--Berlin.
City planning--England--London
City planning--Germany--Berlin
Historic districts--England--London.
Historic districts--Germany--Berlin.
Princeton subject headings:
Central business districts--England--London.
Central business districts--Germany--Berlin.
Urban renewal--England--London.
Urban renewal--Germany--Berlin.