Columbia subject headings:
Harvard subject headings:
Bonn (Germany)--Church history--20th century.
Church and state--Germany--History--1933-1945
Evangelische Gemeinde Bonn--History.
Princeton subject headings:
Bonn (Germany)--Church history--20th century.
Bonn (Kirchengemeinde : Germany)
Church and state--Germany--History--1933-1945.
Protestant churches--Germany--Bonn--History--20th century.