(It is also said that the 1660 transcription, the so-called "Yanagihara Kyuzobon" (a collection of books once possessed by the Yanagihara family), had three volumes because book 1 of 3 and book 2 of 3 are preserved, although nothing book 3 of 3 remained.)
(万治3年（1660年）書写のいわゆる柳原旧蔵本は下巻を欠いているが上巻と中巻があり、三巻本が存在したとも言われている）