Columbia subject headings:
Palaces--Germany--Potsdam--History.
Potsdam (Germany)--Buildings, structures, etc.
Harvard subject headings:
Palaces--Germany--Potsdam--History.
Potsdam (Germany)--Buildings, structures, etc.
Princeton subject headings:
Berlin (Germany)--Description and travel.
Berlin (Germany)--History.
Klein-Glienicke (Berlin, Germany)
Parks--Germany--Berlin.