Columbia subject headings:
City planning--Germany--Frankfurt am Main--History.
Frankfurt am Main (Germany)--Buildings, structures, etc.
Frankfurt am Main (Germany)--History.
Hauptbahnhof (Frankfurt am Main, Germany)
Railroad stations--Germany--Frankfurt am Main--Design and construction.
Railroad terminals--Germany--Frankfurt am Main--Design and construction.
Harvard subject headings:
Railroad stations--Germany--Frankfurt am Main--Design and construction.
Railroad terminals--Germany--Frankfurt am Main--Design and construction.
Princeton subject headings:
Railroad stations--Germany--Frankfurt am Main--Design and construction.
Railroad terminals--Germany--Frankfurt am Main--Design and construction.