reading Bettis, Joseph D., ed. (1969). Phenomenology of Religion: Eight Modern Descriptions of the Essence of Religion. London: S.C.M. Press. SBN 334-01247-3 Jensen, Jeppe Sinding (2003). The Study of Religion in a New Key. Theoretical and philosophical soundings in the comparative and general study of religion. Aarhus, Denmark: Aarhus University Press. Phenomenology Philosophy of religion Religious studies