Columbia subject headings:
Liberalism (Religion)--Germany.
National socialism and religion.
Naumann, Friedrich, 1860-1919.
Protestant churches--Germany--History--20th century.
Harvard subject headings:
Christianity--Germany--History--20th century.
Liberalism (Religion)--Germany.
National socialism and religion.
Naumann, Friedrich, 1860-1919.
Protestant churches--Germany--History--20th century
Princeton subject headings: