Columbia subject headings:
Architecture--Germany--Hamburg.
City planning--Germany--Hamburg.
Hamburg (Germany)--Buildings, structures, etc.
Urbanization--Germany--Hamburg.
Harvard subject headings:
Architecture--Germany--Hamburg--History.
Hamburg (Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Germany--Hamburg.
City planning--Germany--Hamburg.
Hamburg (Germany)--Buildings, structures, etc.
Urbanization--Germany--Hamburg.