The Stoic and Epicurean philosophers: the complete extan writings of Epicurus epictetus, Lucretius, Marcus Aurelius
edited and with an introduction by Whitney J. Oates
Random House, 1940
 Buku Teks SO
Zeller, Eduard, 1814-1908
Outlines of the history of Greek philosophy
Meridian Books, 1960
 Buku Teks SO
Kirk, G.S. (Geoffrey Stephen), 1921-
The presocratic philosophers : a critical history with a selection of texts
Cambridge University Press, 1957
 Buku Teks SO
Kirk, G.S. (Geoffrey Stephen), 1921-
The presocratic philosophers : a critical history with a selection of texts
Cambridge University Press, 1957
 Buku Teks SO
Philosophers speak for themselves: From Aristotle to Plotinus
edited by Thomas Vernor Smith
University of Chicago Press, 1956
 Buku Teks SO