Columbia subject headings:
Hildesheim (Germany)--Church history.
Hildesheim (Germany)--History.
Saxony (Germany)--History--To 1423.
Harvard subject headings:
Catholic Church--History.
Hildesheim (Germany)--Church history.
Hildesheim (Germany)--History.
Saxony (Germany)--History--To 1423.
Princeton subject headings:
Catholic Church--History.