Bibliography Barclay, W. 1976 The Letters of John and Jude. Rev. ed. Philadelphia: Westminster. Balz, H. 1980 Die Johannesbriefe. Neues Testament Deutsch. Göttingen: Vandenhoeck und Ruprecht. Barker, G. W. 1981 “1 John, 2 John, 3 John.” The Expositor’s Bible Commentary. Edited by F. Gaebelein. Grand Rapids, Mich.: Zondervan. 12:293–377. Bonhoeffer, D. 1959 The Cost of Discipleship. New York: Macmillan. Brooke, A. E. 1912 A Critical and Exegetical Commentary on the Johannine Epistles. International