Early Greek Philosophy, Volume IX: Sophists, Part 2 (Loeb Classical Library)

Early Greek Philosophy, Volume VIII: Sophists, Part 1 (Loeb Classical Library)

Early Greek Philosophy, Volume V: Western Thinkers, Part 2 (Loeb Classical Library)

Early Greek Philosophy, Volume III: Ionian Thinkers, Part 2 (Loeb Classical Library)

Early Greek Philosophy, Volume IV: Western Thinkers, Part 1 (Loeb Classical Library)