"man'yōshū." . . "Waka Rekishi Heianjidai." . . "和歌 歴史 平安時代" . "Kodai waka to shukusai"@ja . . . . . . . . "Criticism, interpretation, etc" . . . . . . "古代和歌と祝祭" . . . . . "Kodai waka to sukusai" . . "To 1185" . . . .