Richard Gombrich, Theravada Buddhism: A Social History from Ancient Benares to Modern Colombo (London and New York, 1988), pp. 55–56
227
Ibid., pp. 58–59; William H. McNeill, Plagues and Peoples (Garden City, NY, 1976), p. 60; Patrick Olivelle, ed. and trans., Samnayasa Upanisads: Hindu Scriptures on Asceticism and Renunciation (New York and Oxford, 1992), p. 34; Doniger, Hindus, p. 171