Columbia subject headings:
Catholic Church--Relations--Lutheran Church.
Germany (West)--Church history.
Lutheran Church--Relations--Catholic Church.
Harvard subject headings:
Church and state--Germany
Germany--History--1517-1648.
Reformation--Germany
Princeton subject headings:
Catholic Church--Relations--Protestant churches.
Catholics--Germany (West)--History.
Germany (West)--Church history.
Protestant churches--Relations--Catholic Church.
Protestants--Germany (West)--History.
Religious tolerance--Germany (West)--History.