Ahmadi, B. (2002). Heidegger and the Fundamental Question. Markaz [in persian]. Ali Zamani, A., & Mehdi Zanjanian, A. (2017). The Meaning of Meaning in the Four Periods of Tolstoy’s Life. Naqd va Nazar Journal, 3, 34-62 [in persian ]. Asgari Yazdi, A., & Mirzaei, M. (2018). Meditation on Death and the Meaning of Life in Heidegger. Philosophy of Religion. 1. Pp.25-49 [in persian]. Brombert, V. (2013). Musings on Mortality: From Tolstoy to Primo Levi. The University of Chicago Press. Bakhtiary, F. (2020), Death from the perspective of Tolstoy and Heidegger. Ontological Studies, 17, 549-570. [in persian] Elias, N. (2005). The Loneliness of the Dying. Translated by O. Mehrgan and S. Najafi. Gaam e no [in persian ]. Hosseini, P. (1993). An Approach to Kafka’s Metamorphosis and its confrontation with The Death of Ivan Ilyich. Fiction Literature [in persian ]. Heidegger, M. (2003). letter on Humanism. Translated by A. Rashidian. In: From Modernism to Postmodernism. English Editor: L. Kohun . Persian Editor: A. Rashidian. Ney [in persian]. Heidegger, M. (2014). Being and Time. Translated by A. Rashidian. Ney [in persian]. Kraus, P. (2002). Death and Metaphysics. in: Death and Philosophy. Edited by J. Malpas and R. c. Solomon. Routledge. Kundera, M. (2010). The Art of the Novel. Translated by P. Homayoonpoor . ghatreh [in persian]. Nietzsche, F. (2001). On the Genealogy of Morality. Agah. Translated by D. ashoori [in persian]. Niederhauser, J.A. (2021). Heidegger on Death and Being: An Answer to the Seinsfrag. Springer. O’Brien, M. (2011). Heidegger and Authenticity: From Resoluteness to Releasement. Continuum. Pattison, G. (2013). Heidegger on Death: A Critical Theological Essay. Ashgate. Ratal, M. (2013). How to Read Heidegger?. Markaz [in persian ]. Ramin, Z., & Rezaei, A. (2018). A Comparative Study of the Image of Death in Paradise Lost and The Death of Ivan Ilyich. Research in Contemporary World Literature, 78, 371-392 [in persian]. Sartre, J.P. (2015). Being and Nothingness. Translated by M. Bahraini. Niloufar. Tolstoy, L. (2020). The Death of Ivan Ilyich. Translated by S. Habibi. Cheshmeh [in persian]. Weber, M. (2003). Science as a Vocation. Translated by M. Eskandari. In: From Modernism to Postmodernism. English Editor: L. Kohun . Persian Editor: A. Rashidian. Ney [in persian]. Young, J. (2002). Death and authenticity. in: Death and Philosophy. Edited by J. Malpas and R. c. Solomon. Routeledge.