• Heelan, P.A. (1987). Husserl’s later philosophy of natural science. Phil. Sci. 1987, 53, 368-390.
  • Heelan, P.A. (1983). Space-perception and the Philosophy of Science. Berkeley: University of California Press.
  • Husserl, E. (1970) The Crisis of European Science and Transcendental Phenomenology. Translated by David Carr; Northwestern University Press: Evanston, IL, USA, 1970.
  • Merleau-Ponty, M. (1962). Phenomenology of Perception; Translated by C. Smith. Routledge & Kegan Paul: London, UK, 2002. Originally published as Phenomenologie de la Perception; Callimard: Paris, France, 1945, English 1962.
  • Merleau-Ponty, M. (1963/2008). The structure of Behavior, Pittsburg: Duquesne University Press.
  • Merleau-Ponty, M. (2003). Nature: Course Notes from the Collège de France.Illinois: North Weston University Press.
  • Spiegelberg, H. (1965), The Phenomenological Movement: A Historical Introduction, The Hague: Martinus Nijhoff, two volumes, Pp. 765.
  • Thompson, Evan (2003) (Ed.).The problem of Consciousness: New essays in the phenomenological philosophy of mind. Alberta: University of Calgary Press.