Columbia subject headings:
Theology--History--20th century.
Harvard subject headings:
Adorno, Theodor W., 1903-1969
Barth, Karl, 1886-1968
Benjamin, Walter, 1892-1940
Bonhoeffer, Dietrich, 1906-1945
Horkheimer, Max, 1895-1973
Theology, Doctrinal--Germany--History--20th century.
Tillich, Paul, 1886-1965
Princeton subject headings: