1. Bondurant, J. (1965). Conquest of violence: The Gandhian philosophy of conflict (Rev. ed.). Berkeley: University of California Press.
2. Boss, M. (1966). A psychiatrist discovers India (H. A. Frey, Trans.). Calcutta: Rupa (Original work published 1959).
3. Brown, J. M. (1996). The making of a critical outsider. In J. M. Brown & M. Prozesky (Eds.), Gandhi and South Africa: Principles and politics (pp. 21–33). New York: St. Martin’s Press.
4. Colaiaco, J. A. (1986). Martin Luther King, Jr. and the paradox of nonviolent direct action. Phylon, 47(1), 16–28. https://doi.org/10.2307/274691 .
5. Davidson, L., & Cosgrove, L. A. (2002). Psychologism and phenomenological psychology revisited, part II: The return to positivity. Journal of Phenomenological Psychology, 33(2), 141–177. https://doi.org/10.1163/15691620260622877 .