Toshi to heiwa : Uozumi Masayoshi, Shiba Yoshinobu ryōkyōju kinengō = Cities and peace : essays in honor of Professors Uozumi Masayoshi and Shiba Yoshinobu
Seiyōjin no Nihongo hakken : gaikokujin no Nihongo kenkyūshi, 1549--1868 = The discovery of the Japanese language by western people : a historical survey of learning and study of Japanese