Curren, Randall. (1998). entry: History of Philosophy of Education, in: Routledge Encyclopedia of Philosophy, Vol 6, General Editor: E. Craig. Routledge
Devereux, D. (2006). The Unity of the Virtues, in: A Companion to Plato, Edited by: Hugh H. Benson, Blackwell Publishing Ltd
Gomperz, Theodor. (1996). Greek Thinkers, A History of Anceint Philosophy, Vol 2, Translatied by MohammedHassan Lotfi, Tehran: Kharezmi Press. {In Persian}
Irwin, Trence. (1995). Plato’s Ethics, Oxford University press.
Gager, Werner. (1997). Paideia, Vol 1 & 2, Translated by MohammedHassan Lotfi, Tehran: Kharezmi Press. {In Persian}
Graham, W. Daniel. (2010). The Texts of Early Greek Philosophy, The Complete Fragments and Selected Testimonies of the Major Presocratics, part 2, Cambridge University Press.
Guthrie, W. K. C. (2021). A History of Greek Philosophy; the Fifth century Enlightenment, Vol. 3. Tehran: University of Tehran Press. {In Persian}
Kerferd, G. B. (1972). Protagoras, in: Encyclopedia of Philosophy, General Editor: P. Edwards. Macmillan Publishing, Co. Inc and the Free Press.
Laertius, Diogenes. (2008). Lives of Eminent Philosophers, Translated by Behzad Rahmani, Tehran: Markaz Publication. {In Persian}
Plato. (1997). Gorgias, (English Translation: Donald J. Zeyl) in: Plato Complete Works, Edited with Introduction and Notes by John M. Cooper and Associate Editor: D. S. Hutchinson, Hackett Publishing Company.
Plato. (1997). Meno, (English Translation: G. M. A. Grube) in: Plato Complete Works, Edited with Introduction and Notes by John M. Cooper and Associate Editor: D. S. Hutchinson, Hackett Publishing Company.
Plato. (1997). Protagoras, (English Translation: Stanley Lombardo and Karen Bell) in: Plato Complete Works, Edited with Introduction and Notes by John M. Cooper and Associate Editor: D. S. Hutchinson, Hackett Publishing Company.
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