Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Conservation and restoration--Germany--Potsdam--Exhibitions.
Dwellings--Germany--History--Exhibitions.
Potsdam (Germany)--Buildings, structures, etc.--Exhibitions.
Villa Schöningen (Potsdam, Germany)--History--Exhibitions.
Princeton subject headings:
Potsdam (Germany)--Buildings, structures, etc.
Villa Schöningen (Potsdam, Germany)
Wallich family.