Columbia subject headings:
Harvard subject headings:
Catholic Church. Diocese of Osnabrück (Germany)
Church history--Middle Ages, 600-1500
Osnabrück (Germany)--Church history.
Stephen VI, Pope, -891.
Princeton subject headings:
Catholic Church. Diocese of Osnabrück (Germany)--History--Sources.
Catholic Church. Pope (885-891 : Stephen VI). Responsio Stephani Papae.
Egilmar, Bishop of Osnabrück, -918.
Stephen VI, Pope, d. 891.