"Man'yōshū." . . "萬葉集." . "man'yōshū." . . . "To 794" . . "Man'yō gakushi no kenkyū" . "Criticism, interpretation, etc" . . . . . . . . "Man'yōgakushi no kenkyū" . . "萬葉学史の研究" . "Man'yōgakushi no kenkyū"@ja . . . "Man'yōgaku shi no kenkyū" . . . .