This website contains some East Asian history. All of the information is based off the linked literary sources which may or may not be accurate.
Below are all the pages you can peruse.
Emperor Go-Daigo
Emperor Go-Horikawa (Translation)
Emperor Go-Horikawa
Go-Takakura
Hōjō Yasutoki
Hōjō Yoshitoki
Jimyōin Motoie
Jimyōin Nobuko
Kamakura Shogunate
Konoe Iezane
Konoe Tsunetada
Kujō Norizane
Minamoto Yoritomo
Prince Morisada
Nijō Michihira
Emperor Takakura
Takatsukasa Fuyunori
Emperor Tsuchimikado