Tài qīng jīn què yù huá xiān shū bā jí shén zhāng sān huáng nèi mì wén 太清金闕玉華仙書八極神章三皇內祕文
Inner-Secret Writings of the Three Sovereigns, Divine-Stanzas of the Eight Extremes, from the Immortal-Book of the Jade-Florescence of the Golden-Portal in the Great Clarity
Anonymous; Six Dynasties / Táng
A long-titled Daoist scripture of the Sān huáng 三皇 tradition — preserving inner-secret writings of the Three Sovereigns and divine-stanzas of the Eight Extremes (bā jí 八極). Preserved as DZ 855 / CT 855.
Dating. Six Dynasties / Táng. Dynasty: 六朝-唐.