Title: Sagiryū kyōgen shishō Yasunori-bon o kiten to shita, kyōgen shishō no Nihongo gakuteki kenkyū
Subjects: Japanese language, Usage, Kyōgen plays, History and criticism, Kyōgen, History, Grammar, Kyōgen-Rekishi, Nihongo-Bunpō-Rekishi
Time periods: 18th century, 19th century