Putnam, H. (1979). Reason, truth and history. Cambridge, NY: Cambridge University Press.
Quine, W V. (1953). From a logical point of view. New York: Harper & Row.
Quine, W. V. (1981). On the very idea of a third dogma. In Theories and things (pp. 38–42). Cambridge: Belknap Press of Harvard University Press.
Quine, W. V. (1990). In pursuit of truth. Cambridge: Harvard University Press.
Quinn, W. W (1997). The only tradition. Albany: State University of New York Press.
Rabinow, P. & Sullivan, W. M. (Eds.). (1987). Interpretive social science: A second look. Berkeley: University of California Press.
Radhakrishnan, S. (1923/1971). Indian philosophy. (2 Vol.). New York: Humanities Press.
Radhakrishnan, S. (1929/1957). An idealist view of life (5th ed.). London: Alien and Unwin.
Rambachan, A. (1991). Accomplishing the accomplished: The Vedas as a source of valid knowledge in Sankara. Honolulu: University of Hawaii Press.
Rambachan, A. (1994). The limits of scripture. Honolulu: University of Hawaii Press.
Raphael, M. (1994). Feminism, constructivism and numinous experience. Religious Studies, 30, 511–526.
Rawlinson, A. (1997). Vipassana sangha. In The book of enlightened masters: Western teachers in Eastern traditions (pp. 586–596). Chicago and La Salle, IL: Open Court.
Reason, P. (Ed). (1994). Participation in human inquiry. Thousand Oaks, CA: Sage.
Rescher, N. (1980). Conceptual schemes. In P. A. French, T. E. Uehling, Jr., & H. Wettstein (Eds.), Midwest studies in philosophy. Vol. V. Studies in epistemology (pp. 323–345). Minneapolis: University of Minnesota Press.
Rescher, N. (1993). Pluralism: Against the demand for consensus. New York: Oxford University Press.
Richards, G. (1978). Sunyata: Objective referent or via negativa? Religious Studies, 14, 251–260.
Ring, K. (1985). Heading towards omega: In search of the meaning of the near-death experience. New York: Quill.
Ring, K. (1998). Lessons from the light: What we can learn from the near-death experience. New York: Insight Books.
Robbins, R. H. (1993). Cultural anthropology. A problem-based approach. Itaca, IL: F. E. Peacock.
Roberts, B. (1984). The experience of no-self. Boston: Shambhala.
Robinson, W. S. (1975). The legend of the given. In H-N. Castaneda (Ed.), Action, knowledge and reality: Critical studies in honor of Wilfred Sellars (pp. 83–108). Indianapolis: Bobbs-Merrill.
Roland, A. (1988). In search of self in India and Japan: Toward a cross-cultural psychology. Princeton: Princeton University Press.
Roof, W. C. (1993). A generation of seekers: The spiritual lives of the baby boom generation. San Francisco: Harper San-Francisco.
Roof, W C. (1999). Spiritual marketplace: Baby boomers and the remaking of American religion. Princeton: Princeton University Press.
Rorty, R. (1972). The world well lost. Journal of Philosophy, 69(19), 649–665.
Rorty, R. (1979). Philosophy and the mirror of nature. Princeton: Princeton University Press.
Rosemont, H., Jr. (1988). Against relativism. In G. J. Larson & E. Deutsch (Eds.), Interpreting across boundaries: New essays in comparative philosophy (pp. 36–70). Princeton: Princeton University Press.
Ross, J. J. (1970). The appeal to the given: A study in epistemology. London: Alien and Unwin.
Rothberg, D. (1986a). Rationality and religion in Habermas’ recent work: Some remarks on the relation between critical theory and the phenomenology of religion. Philosophy and Social Criticism, 11, 221–245.
Rothberg, D. (1986b). Philosophical foundations of transpersonal psychology: An introduction to some basic issues. Journal of Transpersonal Psychology, 18(1), 1–34.
Rothberg, D. (1989). Understanding mysticism: Transpersonal theory and the limits of contemporary epistemological frameworks. Revision, 12(2), 5–21.
Rothberg, D. (1990). Contemporary epistemology and the study of mysticism. In R. К. C. Forman (Ed.), The problem of pure consciousness: Mysticism and philosophy (pp. 163–210). New York: Oxford University Press.
Rothberg, D. (1993). The crisis of modernity and the emergence of socially engaged spirituality. Revision, 15(3), 105–114.
Rothberg, D. (1994). Spiritual inquiry. Revision, 17(2), 2–12.
Rothberg, D. (1996a). How straight is the spiritual path? Conversations with Buddhist teachers Joseph Goldstein, Jack Kornfield, and Michelle McDonald-Smith. Revision, 19(1), 25–40.
Rothberg, D. (1996b). Toward an integral spirituality. Revision, 19(2), 41–42.
Rothberg, D. (1999). Transpersonal issues at the millennium. Journal of Transpersonal Psychology, 31(1), 41–67.
Rothberg, D. & Kelly, S. (Eds.). (1998). Ken Wilber in dialogue. Conversations with leading transpersonal thinkers. Wheaton, IL: Quest.
Rottschaefer, W. A. (1978). Ordinary knowledge and scientific realism. In J. C. Pitt (Ed. J, The philosophy of Wilfrid Sellars: Queries and questions (pp. 135–161). Boston: D. Reidel.
Rowan, J. (1993). The transpersonaclass="underline" Psychotherapy and counseling. New York: Routledge.
Runzo, J. (1986). Reason, relativism and God. New York: St. Martin Press.
Ruse, M. (1988). Philosophy of biology today. Albany: State University of New York Press.
Sanders, P. T. & Ho, M. W. (1982). Is Neo-Darwinism falsifiable — and does it matter? Nature and Systems, 4, 179–196.
Schiebinger, L. (1999). Has feminism changed science? Cambridge: Harvard University Press.
Schmidt, L. K. (Ed.) (1995). The specter of relativism: Truth, dialogue, and phronesis in philosophical hermeneutics. Evanston, IL: Northwestern University Press.
Schmitt, С. B. (1966). Perennial philosophy: From Agostino Steuco to Leibniz. Journal of the History of Ideas, 27,505–532.
Scholem, G. (1946). Major trends in Jewish mysticism. New York: Schocken Books.
Schrader, G. (1967). The thing in itself in Kantian philosophy. In R. D. Wolf (Ed.), Kant: A collection of critical essays (pp. 172–188). Garden City, NY: Anchor Books.
Schuon, F. (1981). Esoterism as principle and as way. Pates Manor, Bedfont, Middlesex, UK: Perennial Books.
Schuon, F. (1984a). The transcendent unity of religions. Wheaton, IL: Quest.
Schuon, F. (1984b). Logic and transcendence. London: Perennial Books.
Schuon, F. (1997). The eye of the heart: Metaphysics, cosmology, spiritual life. Bloomington, In: World Wisdom Books.
Scotton, B. W. (1996). The contribution of C. G. Jung to transpersonal psychiatry. In B. W. Scotton, A. B. Chinen, & J. R. Battista, (Eds.), Textbook of transpersonal psychiatry and psychology (pp. 39–51). New York: Basic Books.