واکاوی نگرش‌های فلسفی اخوان در «خوان هشتم»

-        Akhavan Sales, Mahdi (2011) From this Avesta, 7^th edition, Tehran: Winter. (in persian)

-        Akhavan Sales, Mahdi (2013) Three books, he lives in the yard of the prison (ninth edition): but we should live.. (17^th edition), Hell but cold (17^th edition). Tehran, Winter. (in persian)

-        Babayee,Parviz (2008) Philosophical schools from ancient times to the present day, Tehran: Neghah. (in persian)

-        Bahar, Mehrdad (2006) Asian religions, 5^th edition, Tehran: Cheshmeh. (in persian)

-        Deranti, John, Filip (2015) Existential Aesthetics List, trans. Nedayeefar, Hoda, Tehran: Qoqnous. (in persian)

-        Ferdosi, Abolghasem (2008) Shahnameh, ed. Mahdi Gharib, Tehran: Doustan. (in persian)

-        Gadamer, Hans G. (2015) Literature and philosophy in conversation, trans. Zahra Zavarian, 2^th edition, Tehran: Naghsh o Neghar. (in persian)

-        Heidegger, Martin (2015) What is Metaphysics?, trans. Siavash Jamadi, 8^th edition, Tehran: Qognous. (in persian)

-        Houman, Mahmud (1970) History of philosophy, First book, 2^nd Edition, Tehran: Zohuri. (in persian)

-        Mehr, Farhang (2006) A New View of the Ancient Religion (Zoroastrian Philosophy), 6^th editin, Tehran: Jami. (in persian)

-        Partove, Abolghasem (2010) Philosophical Thoughts of Iran, 2nd editin, Tehran: Asatir. (in persian)

-        Zarshenas, Shahriar (2008) Nihilism, 3^rd edition, Tehran: Kanune Andishe Javan. (in persian)