1. Sextus Empiricus,Adversus MathematicusVol. 4. Trans. R.G. Bury. Loeb Classical Library. London: W. Heinemann. 1949.
2. R.J. Hankinson,The Sceptics.London: Routledge. 1995. This is a good account of the history and arguments of Pyrrhonian scepticism.
3. Diogenes Laertius. Trans. R.D. Hicks. Loeb Library. London: Heinemann. 1972. 4.62.
4. Sextus Empiricus,Outlines of Scepticism.Trans. J. Annas and J. Barnes. Cambridge University Press. 1994. AlsoSextus Empiricus.Trans. R.G. Bury. Vol 2,3,4. Loeb Classical Library: W. Heinemann. 1935, 1936 and 1949.The Skeptic Way: Sextus Empiricus's Outlines of Pyrrhonism.Trans, and Comment. Benson Mates. Oxford University Press. 1996.
5. R.H. Popkin,The History of Scepticism from Erasmus to Spinoza.California: U.C.p. 1979.