1. Rumi, M. J. M. B.: Diwan-e-Shams e Tabriz. Tehran: Amir Kabir Press, 1959.
2. Jung, G. G.: The Development of Personality. New York: Bollingen, 1954, 305.
3. Arasteh, R.: Cheguneggi e Rushd e Adami. Tehran: Atash-Kadeh, 1955.
4. Al-Ghazzali, H. M.: The Alchemy of Happiness. (English translation by C. Field.) Lahore: Ashraf Press.
5. Al-Ghazzali, H. M.: The Confessions of Al-Ghazzali (English translation by C. Field.) Lahore: Ashraf Press.