Columbia subject headings:
Deacons--Germany--Palatinate--History.
Deacons--Germany--Speyer--History.
Palatinate (Germany)--Church history.
Speyer (Germany)--Church history.
Harvard subject headings:
Deacons--Germany--Palatinate--History.
Deacons--Germany--Speyer--History.
Evangelische Diakonissenanstalt Speyer--History.
Palatinate (Germany)--Church history.
Speyer (Germany)--Church history.
Princeton subject headings: