Columbia subject headings:
Church and state--Germany--History--20th century--Congresses.
National socialism and religion--Germany--Congresses.
Harvard subject headings:
Church and state--Germany--History--1933-1945--Congresses.
Germany--Church history--1933-1945--Congresses.
National socialism and religion--Congresses.
National socialism--Religious aspects--Christianity--Congresses.
Princeton subject headings: