Harvard University | Columbia University | Yale University | University of Paris | New York University | Stanford University | Princeton University | University of Cambridge | University of Pennsylvania | University of Michigan | University of Chicago | University of California, Berkeley | University of Toronto | Cornell University | University of Oxford | University of London | University of Oslo | Cambridge University | University of Southern California | McGill University | Johns Hopkins University | Northwestern University | University of California | Brown University | University of Queensland | University of Minnesota | University of Washington | Osaka | University of Notre Dame | University College London |
After returning briefly to Europe, he went back to Japan and for a period of ten years he studied Japanese language at Ōsaka Foreign Studies University and later History of Japanese thinking at Tokyo's Kokugakuin University, one of the most prestigious schools in the field of Japanese Classical Studies.