Columbia subject headings:
Heathlands--Germany--Lower Saxony.
Land use--Germany--Lower Saxony--History.
Harvard subject headings:
Heathlands--Germany--Lower Saxony.
Land use--Germany--Lower Saxony--History.
Moors (Wetlands)--Germany--Lower Saxony.
Princeton subject headings:
Diepholz (Grafschaft)
Hannover (Germany : Province)--History.
Hannover (Germany : Province)--Population.
Hoya (Germany : Grafschaft)
Land settlement--Germany (West)--Hannover (Province).