Abraham Malherbe, “Gentle as a Nurse: The Cynic Background to 1 Thessalonians 2,” Novum Testamentum 12 (1970) 203–17.
Jennifer Houston McNeal, “Feeding with Milk: Paul’s Nursing Metaphors in Context,” Review and Expositor 110 (2013) 561–75.
Karl Paul Donfried, “The Epistolary and Rhetorical Context of 1 Thess 2.1–12,” in idem, Paul, Thessalonica, and Early Christianity (Grand Rapids: Eerdmans, 2002) 163–94.