Columbia subject headings:
Church and state--Germany--Bavaria--History.
Wibald, Abbot of Corvey, 1098-1158.
Harvard subject headings:
Church and state--Germany--Bavaria--History.
Wibald, Abbot of Corvey, 1098-1158.
Princeton subject headings:
Church and state--Germany--Bavaria--History.
Wibald, Abbot of Corvey, 1098-1158.