The Ryushi, a selection of ancient documents, first appeared in Toshi. Although the author is unknown, this is a fragment of a scroll that was excavated in Tonko and is believed to have been transcribed in the late Tang period. Although it lacks the beginning and last parts, it contains Chapter 3 of Kyojo to part of Chapter 9 of Shijun. It has 16 or 17 characters in one line and some notes are inserted in red ink.