Wù xuán piān 悟玄篇

Treatise on Awakening to the Mystery

by 余洞真 (Yú Dòngzhēn) — Southern-Sòng Daoist

A Southern-Sòng Daoist inner-alchemical treatise, preface dated 1229. Preserved as DZ 1046 / CT 1046 (Tài xuán bù 太玄部).

Dating. 1229. Dynasty: 南宋.