Yoshio ARAKI insisted that Tadamori was the author of the "Masukagami" (The Clear Mirror), given the fact that Tadamori was the most dedicated researcher of the "Genji Monogatari" and was also familiar with poetry.
荒木良雄は当代きっての『源氏物語』研究家で歌道に精通していることから忠守著者説を唱える。