Columbia subject headings:
City walls--Germany--Magdeburg--History.
Fürstenwall (Magdeburg, Germany)
Magdeburg (Germany)--Buildings, structures, etc.
Urban parks--Germany--Magdeburg--Designs and plans.
Urban parks--Germany--Magdeburg--History.
Harvard subject headings:
Fürstenwall (Magdeburg, Germany)--Designs and plans.
Fürstenwall (Magdeburg, Germany)--History.
Parks--Germany--Magdeburg--History.
Princeton subject headings: