hɪz nˈuːmɚɹəs ɹˈaɪɾɪŋz ˌɔn tʃˈaɪnə ænd dʒəpˈæn ænd ðɛɹ ɹᵻlˈeɪʃənʃˌɪps pɹˈaɪɚ tə wˈɜːld wˈɔːɹ ɹˌoʊmən tˈuː ɑːɹ klˈæsɪks ðæt ɑːɹ stˈɪl jˈuːzd ɪn ˌɛdʒuːkˈeɪʃən tə ðɪs dˈeɪ.
His numerous writings on China and Japan and their relationships prior to World War II are classics that are still used in education to this day.