Columbia subject headings:
Deacons--Germany--Rhineland--Biography.
Deacons--Germany--Rhineland--History.
Inner missions--Germany--Rhineland--History.
Rhineland (Germany)--Church history.
Harvard subject headings:
Deacons--Germany--Rhineland--Biography.
Deacons--Germany--Rhineland--History.
Deacons--Germany--Rhineland.
Inner missions--Germany--Rhineland--History.
Inner missions--Germany--Rhineland.
Rhineland (Germany)--Church history.
Rhineland (Germany)--Religious life and customs.
Princeton subject headings: