Yün-tsʻung Chao

• Four hundred word Chin tan of Chang Po-tuan ; Three alchemical poems by Chang Po-tuan ; Shih Hsing-Lin, disciple of Chang Po-tuan, and Hsieh Tao-Kuang, disciple of Shih Hsing-Lin ; The secret papers in the jade box of Chʻing-Hua ; and, A fifteenth century