Fumihiko GOMI conjectures that this part is mainly based on the written records of the commissioner of Shogunate affairs, and the records dated until July 5, 1263 were written by Yukikata NIKAIDO, and the records after that were written by Morotsura NAKAHARA, who succeeded to the commissioner of Shogunate affairs.
五味文彦は、この部分は御所奉行の筆録が中心で、1263年（弘長3年）7月5日まで二階堂行方、その後はその御所奉行を引き継いだ中原師連の記録と推定している。