Luke Timothy Johnson. The First and Second Letters to Timothy (AB). New Haven: Yale, 2001.
William D. Mounce. Pastoral Epistles (WBC). Nashville: Thomas Nelson, 2000.
Philip H. Towner. The Letters to Timothy and Titus (NICNT). Grand Rapids: Eerdmans, 2006.
Robert Wall. 1 & 2 Timothy and Titus (THNTC). Grand Rapids: Eerdmans, 2012.
Ben Witherington III. Letters and Homilies for Hellenized Christians, Vol. 1: A Socio-Rhetorical Commentary on Titus, 1-2 Timothy, and 1-3 John. Downer’s Grove: IVP Academic, 2006.