Original Version of Zenso Heiwa

Kankensho〈(3rd Volume Missing)〉

Azuma Kagami (Hojo Version)

Official Records (including Charts) and Index

Illustration of Shoho Castle

Song Edition Eihama Sensei Complete Collection

The Jōkyō Calendar (written by Shunkai Shibukawa / (revised

Song Version of Song Guangyun

Song Dynasty Version of Zhou Yi New Lecture

Song Dynasty Version

Song Edition Ping Qi Collection