1. Best, Ernest. The First and Second Letter to the Thessalonians. London: A&C Black, 1972.
2. Brown, Peter. Poverty and Leadership in the Later Roman Empire. Hanover, NH: University Press of New England, 2012.
3. Cho, Gwang-Ho.『Economic Ethics of the Early Church and Later Development』Seoul: Handeul Publishing House, 2019.
4. Choi, Jae-Duk. “Economic Thoughts of the New Testament ─ The First Century A.D. Palestinian Relief System and Primitive Christian Relief Activities.” Public Theology and Church Research Center edition, God's Economy I』Seongnam: Book Korea, 2013, 61–88.
5. Chung, Yong-Han. “Biblical Proposal for the Discussion of Basic Income ─ Focused on the Jubilee Year in the Synoptic Gospels and the Kingdom Movement.” 「Theological Forum」 91 (2019): 251–279.