Columbia subject headings:
Church and state--Germany--History--1933-1945--Sources.
Free churches--Germany--History--20th century--Sources.
Germany--Church history--1933-1945--Sources.
Harvard subject headings:
Church and state--Germany--History--1933-1945--Sources.
Free churches--Germany--History--20th century--Sources.
Germany--Church history--1933-1945--Sources.
Princeton subject headings:
Church and state--Germany--History--1933-1945--Sources.
Free churches--Germany--History--20th century--Sources.
Germany--Church history--1933-1945--Sources.