1. Edo akusento kara Tôkyô akusento he [From Edo accent to Tôkyô accent];Akinaga,;Kokubungaku Kenkyû,1967
2. Iwayuru tokushu onsetsu (tokushu haku) ni tsuite [About the so-called special syllables (special moras)];Kôza nihongo kyôiku,1968
3. —— (1986) ‘Akusento gaisetsu [Overview of accent]’, in Kôza Hôgengaku 1, Hôgen gaisetsu, Tôkyô: Kokusho Kankôkai, 97–115.