Lóng hǔ yuán zhǐ 龍虎元旨

Original Purport of the Dragon-Tiger

by 青霞子 (Qīng xiá zǐ)

A late-Táng to Five-Dynasties Daoist alchemical treatise attributed to Qīng xiá zǐ (= Sū Yuánlǎng 蘇元朗). Preserved as DZ 1083 / CT 1083 (Tài xuán bù 太玄部).

Dating. 9th–10th century. Dynasty: 晚唐-五代.