Adolf Harnack, The Expansion of Christianity in the First Three Centuries, vol. 2, trans. James Moffatt (New York: G. P. Putnam’s Sons, 1908), 480.
135
Rodney Stark, The Rise of Christianity: How the Obscure, Marginal Jesus Movement Became the Dominant Religious Force in the Western World in a Few Centuries (San Francisco: HarperSanFrancisco, 1996), ch. 4; Hector Avalos, Health Care and the Rise of Christianity (Grand Rapids, MI: Baker Academic, 1999).