It is certain that all the manuscripts that appeared before completion of Aobyoshi-bon and Kawachi-bon, including the manuscripts in Murasaki Shikibu's own handwriting which have been considered already lost, belong to this old traditional line of Beppon.
確かに青表紙本や河内本が成立する以前に存在した写本は、すでに失われたと考えられる紫式部の自筆本等を含め、全てこの古伝本系別本ということになる。