Columbia subject headings:
Bruno, of Magdeburg, active 1084. Saxonicum bellum.
Germany--History--Henry IV, 1056-1106--Sources.
Saxony (Germany)--History--To 1423--Sources.
Harvard subject headings:
Bruno, of Magdeburg, active 1084. De bello Saxonico.
Germany--History--Henry IV, 1056-1106--Sources.
Saxony (Germany)--History--To 1423--Sources.
Princeton subject headings: