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Cicero, De natura deorum, translated by H. Rackham, Loeb, London 1979

Diodorus of Sicily, The Library of History, book VI, translated by C. H. Oldfather, volume 3, Cambridge 1970

Diogenes Laertius, Lives of Eminent Philosophers, translated by R. D. Hicks, volume I, Loeb, London 1942

Diogenes Laertius, Lives of Eminent Philosophers, translated by R. D. Hicks, volume II, Loeb, London 1950

Edmonds, J. M., Elegy and Iambus, volume I, Loeb, London, 1932

Euripides, Bacchae, translated by Richard Seaford, Warminster 1996

Freeman, Kathleen, The Pre-Socratic Philosophers, Oxford 1946

Freeman, Kathleen, Ancilla to The Pre-Socratic Philosophers, Oxford 1952

Herodotus, Histories, volume I, translated by A. D. Godley, Loeb, London 1981

Kahn, Charles H., Anaximander and the Origins of Greek Cosmology, New York 1960

O’Connor, Eugene, The Essential Epicurus, New York 1993

Pausanias, Description of Greece, Laconia, translated by W.H.S. Jones and H.A. Ormerod, London 1918

Plato, Cratylus, WWW Perseus

Plato, Cratylus, translasted by B. Jowett, WWW Gutenberg

Plato, Gorgias, WWW Perseus

Plato, Phaedrus, WW Perseus

Plato, Republic, based on several translations, WWW Perseus

Plato, Timaeus, based on several translations, WWW Perseus

Rankin, H.D., Antisthenes Sokratikos, Amsterdam 1986

Robinson, T. M., Heraclitus: Fragments, Toronto 1987

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Sider, David, The Fragments of Anaxagoras, Beiträge zur Klassischen Philologie 118, Hain 1981

Tarán, Leonardo, Parmenides: A Text with Translation, Commentary, and Critical Essays, Princeton 1965

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Xenophon, Memorabilia, translated by O. J. Todd, Loeb, London 1979