1. Burnet, J.: 1930, Early Greek Philosophy, London.
2. Diels, H. and Kranz, W.: 1912, Fragmente der Vorsokratiker, Berlin (Zürich- Dublin, 1971 ).
3. Fritz, K. v.: 1955, Die ARXAI in der griechischen Mathematik, Archiv für Begriffsgeschichte, Bonn, Bd. I, pp. 13–103.
4. Furley, D.J.: 1967 ‘Paramenides of Elea’, The Encyclopedia of Philosophy, Vol. 6, The Macmillan Comp. & The Free Press, New York and London, pp. 47–51.
5. Mueller, I.: 1974, ‘Greek mathematics and Greek logic’, in J. Corcoran (ed.), Ancient Logic and Its Modern Interpretations, D. Reidel, Dordrecht/Boston, pp. 35–70.