Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--History
Historic buildings--Germany--Berlin--History.
Palaces--Germany--Berlin--History.
Stadtschloss (Berlin, Germany)--History.
Princeton subject headings:
Berlin (Germany)--History.
Historic buildings--Germany--Berlin--History.
Palaces--Germany--Berlin--History.
Stadtschloss (Berlin, Germany)--History.