Columbia subject headings:
Gardens--Germany--Potsdam.
Palaces--Germany--Potsdam.
Potsdam (Germany)--Pictorial works.
Harvard subject headings:
Gardens--Germany--Potsdam--Pictorial works.
Palaces--Germany--Potsdam--Pictorial works.
Potsdam (Germany)--Description and travel.
Potsdam (Germany)--Pictorial works.
Princeton subject headings:
Gardens--Germany--Potsdam--Pictorial works.
Palaces--Germany--Potsdam--Pictorial works.
Potsdam (Germany)--Description and travel.
Potsdam (Germany)--Pictorial works.