Cheng Liangyu wrote “Correcting the Complete Version of Yimao”

(Qing) Cao Jiuxi wrote “Correcting the Complete Version of Yiyin”

“Correcting Plum Blossom Easy Numbers” Volume 5

Re-editing and correcting the Kuiban sentences to explain the geography of the sand scriptures and the diagrams.

Guide to Reading and Correcting Geography (The Manuscript of the Three-Yuan Truth) Wang Yuanji.pdf