KKokugogaku no genkaiKokugogaku no genkaide Shichirō MurayamaMateriasJapanese languageEtymologyPhonologyEdiciones (1)Kokugogaku no genkai (1975)Kōbundō · japonésMás obras de Shichirō MurayamaRRoshia bengoRoshia bengoNNihongo no tanjōNihongo no tanjōNNihongo no kigen to gogenNihongo no kigen to gogen