1. Barbone, S. (1994). Nothingness and Sartre’s fundamental project. Philosophy Today, 38(2), 191–203.
2. Barnes, H. (1997). The story I tell myself A venture in existentialist autobiography. Chicago: University of Chicago Press.
3. Barnes, H. (2002). Letter dated March 18, 2002.
4. Beaufret, J. (1945a, March). A Propos de l’Existentialisme (I). Confluences, 2, 192–199.
5. Beaufret, J. (1945b, April). A Propos de l’Existentialisme II. Martin Heidegger. Confluences, 3, 307–314.