Columbia subject headings:
City promotion--Germany--Case studies.
Frankfurt am Main (Germany)--History.
Offenbach am Main (Germany)--History.
Wiesbaden (Germany)--History.
Harvard subject headings:
Regional planning--Germany--Frankfurt am Main.
Regional planning--Germany--Offenbach am Main.
Regional planning--Germany--Wiesbaden.
Urban policy--Germany--Frankfurt am Main.
Urban policy--Germany--Offenbach am Main.
Urban policy--Germany--Wiesbaden.
Princeton subject headings:
Regional planning--Germany--Frankfurt am Main.
Regional planning--Germany--Offenbach am Main.
Regional planning--Germany--Wiesbaden.
Urban policy--Germany--Frankfurt am Main.
Urban policy--Germany--Offenbach am Main.
Urban policy--Germany--Wiesbaden.