The World Soul and the Soul of the World: Philosophy, Cosmos, and Culture at the Fifteenth Annual Conference on Global and Multicultural Dimensions of Ancient and Medieval Philosophy and Social Thought; Binghamton University, Binghamton, New York, October 26, 1996; "Philosophy, Cosmos, and Culture". Archived from the original on 2008-05-14. Retrieved 2008-06-19.
The World Soul and the Soul of the World: Philosophy, Cosmos, and Culture at the Fifteenth Annual Conference on Global and Multicultural Dimensions of Ancient and Medieval Philosophy and Social Thought; Binghamton University, Binghamton, New York, October 26, 1996; "Philosophy, Cosmos, and Culture". Archived from the original on 2008-05-14. Retrieved 2008-06-19.