Columbia subject headings:
Barth, Karl, 1886-1968.
Bonhoeffer, Dietrich, 1906-1945.
Brunner, Emil, 1889-1966.
Christian ethics--History--20th century.
Social ethics--History--20th century.
Harvard subject headings:
Barth, Karl, 1886-1968
Bonhoeffer, Dietrich, 1906-1945
Brunner, Emil, 1889-1966
Christian ethics--History--20th century
Social ethics--History--20th century.
Princeton subject headings:
Barth, Karl, 1886-1968.
Bonhoeffer, Dietrich, 1906-1945.
Brunner, Emil, 1889-1966.
Christian ethics--History--20th century.
Social ethics--History--20th century.