Columbia subject headings:
Bonn (Germany)--Church history.
Church and social problems--Germany--Bonn--History.
Evangelische Gemeinde Bonn--History.
Harvard subject headings:
Bonn (Germany)--Church history.
Church and social problems--Germany--Bonn--History.
Church charities--Germany--Bonn.
Evangelische Gemeinde Bonn.
Princeton subject headings: