Hirofumi Aoki1970BooksNichi-Eigo no bunpōka to kōbunkaNihongo no kōzō henka to bunpōkaNihongo bunpōshi kī wādo jitenGokeisei kara mita Nihongo bunpōshiNihongo bunpō no rekishi to henka日本語文法史研究Gaidobukku Nihongo bunpōshiAuthor data: Open Library