mˈoʊst əv hɪz bˈʊks ʌv pˈɜːsənəl ɹᵻsˈɜːtʃ ɑːɹ pɹɪzˈɜːvd ɪnðɪ ˌɪntɚnˈæʃənəl sˈɛntɚ fɔːɹ ˈiːst ˈeɪʒən ˌɑːɹkiːˈɑːlədʒi ænd kˈʌltʃɚɹəl hˈɪstɚɹi, bˈɔstən jˌuːnɪvˈɜːsᵻɾi.
Most of his books of personal research are preserved in the International Center for East Asian Archaeology and Cultural History, Boston University.