Pre-Socratic philosophers -- Congresses : Presocratics and Plato : Festschrift at Delphi in Honor of Charles Kahn : Papers Presented at the Festschrift Symposium in Honor of Charles Kahn Organized by the Hyele Institute for Comparative Studies European Cultural Center of Delphi, June 3rd-7th, 2009, Delphi, Greece / edited by Richard Patterson, Vassilis Karasmanis, and Arnold Hermann
