Shàng qīng shén bǎo dòng fáng zhēn huì shàng jīng 上清神寶洞房真諱上經

Shàngqīng Superior Scripture of the Divine-Treasure Cavern-Chamber and Perfected Secret-Names

Anonymous; Six Dynasties to Táng

A Shàng qīng 上清 scripture on the dòng fáng 洞房 (“cavern-chamber” — the central dān tián cavity in the head) and the zhēn huì 真諱 (secret ritual names of the perfected). Preserved as DZ 989 / CT 989 (Tài xuán bù 太玄部).