ebrary, Inc, Kahn, C. H., Patterson, R., Karasmanēs, V., & Hermann, A. (2012). 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. Parmenides Pub..

ebrary, Inc, Charles H. Kahn, Richard Patterson, V. Karasmanēs, và Arnold Hermann. 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. Las Vegas: Parmenides Pub., 2012.

ebrary, Inc, et al. 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. Parmenides Pub., 2012.