Columbia subject headings:
Harvard subject headings:
Hadeln (Germany)--History.
Otterndorf (Germany)--History.
Public law--Germany (West)--Hadeln--History.
Public law--Germany--Otterndorf--History.
Princeton subject headings:
Hadeln (Germany)--History.
Otterndorf (Germany)--History.
Public law--Germany--Hadeln--History.
Public law--Germany--Otterndorf--History.