Columbia subject headings:
Harvard subject headings:
Cities and towns, Medieval--Germany--Lower Saxony.
Guelf, House of.
Lower Saxony (Germany)--History--16th century.
Lower Saxony (Germany)--History.
Lower Saxony (Germany)--Kings and rulers.
Nobility--Germany--Lower Saxony--History.
Princeton subject headings:
Cities and towns, Medieval--Germany--Lower Saxony.
Guelf, House of.
Lower Saxony (Germany)--History--16th century.
Lower Saxony (Germany)--History--To 1500.
Lower Saxony (Germany)--Kings and rulers.
Nobility--Germany--Lower Saxony--History.