The names of several of these "middle" annotators are known to history: in the notes to the "koten" text are Fujiwara no Michinaga, "the Ōe family" (possibly Ōe no Sukekuni or Ōe no Masafusa), Fujiwara no Atsutaka and Fujiwara no Kiyosuke; from prefaces Koremune no Takatoki (惟宗孝言) and ; and from commentaries (etc.)