1. Cairns, D. (1972). The many senses and denotations of the word Bewusstsein (“consciousness”) in Edmund Husserl’s writings. In L. Embree (Ed.), Lifeworld and consciousness: Essays for Aron Gurwitsch (pp. 19–31). Evanston: Northwestern University Press.
2. Connelly, L. M. (2010). What is phenomenology? MEDSURG Nursing, 19(2), 127–128.
3. Creswell, J. W. (2013). Qualitative inquiry and research design: Choosing among five approaches (3rd ed.). Thousand Oaks, CA: Sage.
4. Farber, M. (1943). The foundation of phenomenology. Albany: SUNY Press.
5. Gardner, S. (1993). Irrationality and the philosophy of psychoanalysis. Cambridge: CUP.