Cuì xū piān 翠虛篇

Treatise of Kingfisher-Void

by 陳楠 (Chén Nán, d. 1213) — Fourth Patriarch of the Nán zōng

Chén Nán’s principal nèi dān treatise, composed before his death in 1213. Preserved as DZ 1090 / CT 1090 (Tài xuán bù 太玄部).

Dating. Within Chén’s active lifetime. Dynasty: 南宋.