11: Ökumene, Universität, Pfarramt : 1931-1932 - Bonhoeffer, Dietrich. (OLS)http://ftis/name/52074; Strohm, Christoph. (OLS)http://ftis/name/61968; Amelung, Eberhard. (OLS)http://ftis/name/61967 (Dietrich Bonhoeffer Werke (DBW), 1994)