Columbia subject headings:
Harvard subject headings:
Eckart (Steglitz, Berlin, Germany)--History and criticism.
Germany--Church history--20th century.
Journalism, Religious--Germany--History--20th century.
Protestant churches--Germany
Protestantism--20th century
Princeton subject headings:
Eckart (Steglitz, Berlin, Germany)
Germany--Politics and government--20th century.
Protestants--Germany--History--20th century.
Theology--Periodicals--History.