Columbia subject headings:
Barth, Karl, 1886-1968.
Bultmann, Rudolf, 1884-1976.
Theologians--Germany (West)--Correspondence.
Theologians--Switzerland--Correspondence.
Harvard subject headings:
Barth, Karl, 1886-1968
Bultmann, Rudolf, 1884-1976
Theologians--Germany (West)--Correspondence.
Theologians--Germany--Correspondence
Theologians--Switzerland--Correspondence.
Princeton subject headings:
Barth, Karl, 1886-1968.
Bultmann, Rudolf, 1884-1976.
Theologians--Germany (West)--Correspondence.
Theologians--Switzerland--Correspondence.