1. Crowell, Steven. 2001. Husserl, Heidegger, and the space of meaning. Evanston: Northwestern University Press.
2. Dalhstrom, Daniel. 1994. Heidegger’s method: Philosophical concepts as formal indications. Review of Metaphysics 47: 775–795.
3. Emad, Parvis. 2007. On the way to Heidegger’s contributions to phenomenology. Wisconsin: The University of Wisconsin Press.
4. Heidegger, Martin. 1977. Sein und Zeit, GA 2. Frankfurt am Main: Vittorio Klostermann.
5. Heidegger, Martin. 1985. Phänomenologische Interpretationen zu Aristotles. Einführung in die Phänomenologische Forschung, GA 61. Frankfurt am Main: Vittorio Klostermann.