Columbia subject headings:
Babelsberg (Germany)--Buildings, structures, etc.
Borderlands--Germany (East)
Borderlands--Germany--Potsdam.
Gardens--Conservation and restoration--Germany--Potsdam--Guidebooks.
Landscape architecture--Conservation and restoration--Germany--Potsdam--Guidebooks.
Potsdam (Germany)--Buildings, structures, etc.
Sacrow (Germany)--Buildings, structures, etc.
Harvard subject headings:
Gardens--Conservation and restoration--Germany--Babelsberg.
Gardens--Germany--Pflingsberg.
Gardens--Germany--Sacrow.
Princeton subject headings: