Columbia subject headings:
Barmer Theologische Erklärung--Congresses.
Church and state--Congresses.
Church and state--Germany--History--1933-1945--Congresses.
Germany--Church history--1933-1945--Congresses.
Protestant churches--Germany--History--20th century--Congresses.
Harvard subject headings:
Barmer Theologische Erklärung--Congresses.
Church and state--Congresses
Church and state--Germany--History--1933-1945--Congresses.
Germany--Church history--1933-1945--Congresses.
Protestant churches--Germany--History--20th century--Congresses.
Princeton subject headings:
Barmen Theologische Erklärung--Congresses.
Church and state--Congresses.
Church and state--Germany--History--1933-1945--Congresses.
Germany--Church history--1933-1945--Congresses.
Protestant churches--Germany--History--20th century--Congresses.