Columbia subject headings:
Art--Germany--Potsdam--Exhibitions.
Castles--Germany--Potsdam--Exhibitions.
Gardens--Germany--Potsdam--Exhibitions.
Harvard subject headings:
Architecture--Germany--Potsdam.
Gardens--Germany--Potsdam--History--Exhibitions.
Palaces--Germany--Potsdam--History--Exhibitions.
Potsdam (Germany)--Buildings, structures, etc.--Exhibitions.
Potsdam (Germany)--History--Exhibitions.
Sanssouci Park (Potsdam, Germany)
Schloss Sanssouci (Potsdam, Germany)
Staatliche Schlösser und Gärten Potsdam-Sanssouci.
Princeton subject headings: