Columbia subject headings:
Catholic Church. Diocese of Speyer (Germany)--History.
Speyer Region (Germany)--Church history.
Harvard subject headings:
Bishops--Germany--Speyer.
Catholic Church. Diocese of Speyer (Germany)--History.
Speyer (Germany)--Church history.
Princeton subject headings:
Catholic Church. Diocese of Speyer (Germany)--History.
Speyer Region (Germany)--Church history.