Nyaraka za Paulo
Richards, E. Randolph. The Secretary in the Letters of Paul. Tübingen: Mohr, 1991. idem, “The Codex and the Early Collection of Paul’s Letters.” Bulletin for Bulletin Research 8 (1998): 151–66. idem, Paul and First-Century Letter Writing: Secretaries, Composition, and Collection. Downers Grove: InterVarsity, 2004.