However, it is said that the writers of Kotobagaki of each volume coincide with the names of writers which were described in the end of each volume of the existing "Gosannen Kassen Ekotoba" at the Tokyo National Museum.
しかし、各巻の詞書筆者は、東京国立博物館蔵の現存『後三年合戦絵詞』各巻末に記された筆者名と見事に一致しているという。