Columbia subject headings:
Lower Saxony (Germany)--Civilization.
Lower Saxony (Germany)--Economic conditions.
Lower Saxony (Germany)--Social conditions.
Harvard subject headings:
Lower Saxony (Germany)
Princeton subject headings:
Lower Saxony (Germany)--Civilization--History.
Lower Saxony (Germany)--Economic conditions--History.
Lower Saxony (Germany)--Social conditions--History.