Columbia subject headings:
Lay brothers--Germany.
Necrologies.
Speyerer Dom--History.
Harvard subject headings:
Catholic Church. Diocese of Speyer (Germany)--History--Sources.
Speyer (Germany)--Church history--Sources.
Speyerer Dom--History--Sources.
Princeton subject headings:
Catholic Church. Diocese of Speyer (Germany)--History--Sources.
Speyer (Germany)--Church history--Sources.
Speyerer Dom--History--Sources.