1. Alizamani, Amir Abbas, (2007), "Meaning of the Meaning of Life", Philosophy of Religion, No 9, pp. 59-90.
2. Bayat, Mohammad Reza, (2011), Religion and the Meaning of Life in Analytical Philosophy, Qom: University of Religions Press.
3. Camus, Albert, (2006), The Myth of Sisyphus, translated by Mahmoud Soltanieh, Tehran: Jami.
4. Camus, Albert, (2005), The Presentiment of Being, translated by Mohammad Taghi Ghiasi, Tehran: Negah.
5. Camus, Albert, (2002), Plague, translated by Reza Seyed Hosseini, Tehran: Niloufar.
6. Camus, Albert, (2000) The Myth of Sisyphus (trans. J. O’Brien). London: Penguin
7. Camus, Albert, (1983), Plague, translated by Mostafa Hosseini, Tehran: Agah.
8. Camus, Albert, (1970), Philosophy of Absurdity, translated by Mohammad Taghi Ghiasi, Tehran: Payam.
9. Cottingham, john, (2003), On the Meaning of Life, London and New York: Routledge. Taylor Francis Group.
10. Kamber, Richard, (2006), Camus Philosophy, translated by Khashayar Deihimi, Tehran: Tarh e Nou.
11. Heidegger, Martin, (2010), Being and Time, translated by Abdolkarim Rashidian, Tehran: Ney.
12. Heidegger, M., (1962) Being and Time (trans. J. Macquarrie and T. Robinson). Oxford: Blackwell
13. Hick, John, (2007), "Religious Meaning of Life", in: Meaning of Life, translated by Azam Pouyazadeh, Tehran: Adyan.
14. Macquarie, John, (1997), Martin Heidegger, translated by Mohammad Saeed Hanaei Kashani, Tehran: Garous.
15. Metz, Thaddeus, (2000), "Could God Purpose Be Source of Lifes Meaning?" In: Religious Studies, no. 36. Pp. 293-313.
16. Metz, Thaddeus, (2003), "Modern Essays on the Meaning of Life", translated by Mohsen Javadi, Naghd va Nazar, No. 29 & 30.
17. Metz, Thaddeus, (2013), “The Meaning of Life,” The Stanford Encyclopedia of Philosophy, hrrp://plato.stanford.edu/entries/life-meaning.
18. Quinn, Philip, (2000), How Christianity Secures Lifes Meaning, in the meaning of life in the world religions, Runzo and Martin (ed.), (2000), Oxford: one world publication.
19. Stace, Walter, (2003), "There is Meaning in Meaninglessness", translated by Azam Pouya, Naghd va Nazar, pp. 29 - 30.
20. Stace, w. t., (1999), "There is Meaning in Absurdity', in: Pojman, Louis. P. (ed) Philosophy the Quest for Truth, New York: Wadsworth publishing company, pp. 541-548.
21. Wolf, Susan, (2003), "The Meaning of Life", translated by Mohammad Ali Abdullahi, Naghd va Nazar, No. 29 & 30.