Although Sadamoto NONOMIYA, a court noble and an expert in court lore who was active during the Genroku and Shotoku eras (Japan), doubted that it was written by MINAMOTO no Masasuke, there is no reason to positively deny the author's identity.
元禄-正徳(日本)年間に活躍した公家で有職家の野宮定基は、源雅亮の著ということを疑っているが、積極的にこれを否定する理由は無い。