Columbia subject headings:
Architecture, Domestic--Germany--Schleswig-Holstein.
Castles--Germany--Schleswig-Holstein.
Country homes--Germany--Schleswig-Holstein.
Palaces--Germany--Schleswig-Holstein.
Harvard subject headings:
Architecture, Domestic--Germany--Holstein.
Castles--Germany--Schleswig-Holstein.
Country homes--Germany--Holstein.
Manors--Germany--Schleswig-Holstein.
Palaces--Germany--Holstein.
Princeton subject headings:
Architecture, Domestic--Germany (West)--Holstein.
Country homes--Germany (West)--Holstein.
Palaces--Germany (West)--Holstein.