CONTRIBUTIONS OF A WORKSHOP ON NEW SCHOLARSHIP IN INTERNATIONAL PUBLIC AND PRIVATE LAW, ORGANIZED BY THE AAA AND THE EUROPEAN LAW RESEARCH CENTRE OF HARVARD LAW SCHOOL, THE HAGUE, 22-23 JULY 2000 - A RECONSIDERING THE HISTORY OF PUBLIC INTERNATIONAL LAW - A.4 "An Effort at Hellenization": Alfred Zimmern's Classical Internationalism