YYosoku Nihon no shōhishaYosoku Nihon no shōhishade Yamaguchi, KikuoMateriasConsumersEdiciones (1)Yosoku Nihon no shōhisha (1976)Daiyamondosha · japonésMás obras de Yamaguchi, KikuoJJidai o sakidorisuru gijutsuJidai o sakidorisuru gijutsuSSeikatsu kinmirai pasu 2001Seikatsu kinmirai pasu 2001SSengo ni miru shoku no bunkashiSengo ni miru shoku no bunkashi
SShohisha no henka o do yomu ka (Ryutsu wa kawaru shirizu)Shohisha no henka o do yomu ka (Ryutsu wa kawaru shirizu)