1. Arendt, H. (1978). The life of the mind. San Diego: Harvest.
2. Armstrong, H. (1948). The act of collective worship. Religion in Education, 15(2), 47–50.
3. Bergman, S. H. (1991). On Prayer. In E. Gellman (Ed.), Essays on the thought and philosophy of Rabbi Kook (pp. 69–75). Teaneck, New Jersey: Herzl Press.
4. Buber, M. (1958). I and Thou (2nd ed.). Edinburgh: T&T Clark.
5. Buber, M. (2002). Between man and man. London: Routledge.