Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany--Congresses
Church and state--Germany--Congresses.
Princeton subject headings:
Barmer Theologische Erklärung.
Church and state--Germany--History--1933-1945.
Germany--Church history--1933-1945.
Government, Resistance to--Germany--Religious aspects--Christianity--History.
Protestant churches--Germany--History--1933-1945.