Columbia subject headings:
Catholic Church--Germany--Passau--Bishops--Biography.
Catholic Church. Diocese of Passau (Germany)--History.
Passau (Germany)--Church history.
Harvard subject headings:
Catholic Church--Germany--Passau--History--12th century.
Catholic Church. Diocese of Passau (Germany)--History--12th century.
Passau (Germany)--Church history--12th century.
Princeton subject headings:
Catholic Church--Germany(West)--Passau--Bishops--Biography.
Catholic Church. Diocese of Passau (Germany)--History.
Church history--Middle Ages, 600-1500.
Passau (Germany)--Church history.