Columbia subject headings:
Gardening--Germany--Berlin.
Gardens--Germany--Berlin.
Schloss Charlottenburg--History.
Harvard subject headings:
Berlin (Germany). Senators für Stadtentwicklung und Umweltschutz. Abteil 3.
Gardens in art--Exhibitions.
Gardens--Germany--Brandenburg--Exhibitions.
Landscape architecture--Germany--Exhibitions.
Princeton subject headings:
Berlin (Germany)--Social life and customs.
Gardening--Germany--Berlin.
Gardens--Germany--Berlin.
Schloss Charlottenburg--History.