Some of Emperor Gomizunoo's framed calligraphy is displayed at Yomei-mon Gate or other areas in Nikko Tosho-gu Shrine, about which it is said that later, when the Satsuma clan demanded that the shrine be burned, Taisuke ITAGAKI persuaded them not to, one of the reasons being that there were such historical materials inside, and therefore the shrine was saved.
日光東照宮には陽明門をはじめ各所に後水尾天皇の御親筆とされる額が掲げられており、後に板垣退助が強硬に日光東照宮の焼き討ちを要求する薩摩藩を説得する理由の1つとして挙げたとされる。