Yamato monogatari shō (大和物語抄)

Kitamura, Kigin (北村季吟)

Shoku Nihon kōki (續日本後記)

Tatsuno, Shunsetsu (立野春節); Fujiwara, Yoshifusa (藤原良房)

Bankoku kishō zufu (萬國旗章圖譜)

Suzuki, Kinkoku (鈴木金谷)