Moreover, it devotes many of its pages to the statement about how the text of The Tale of Genji was handed down in the Heian period when the contemporary manuscripts did not exist and only the direct and fragmentary materials were extant.
さらに、同時代の写本が存在せず、それ以外にも間接的・断片的な資料しか存在しない平安時代における源氏物語本文の伝流についての論述に多くのページが割かれている。