Dà dān jì 大丹記

Record of the Great Elixir

attributed to 魏伯陽 (Wèi Bóyáng)

An alchemical record of elixir preparation attributed to the Eastern-Hàn alchemical patriarch Wèi Bóyáng. The attribution is pseudepigraphic; the received text is most plausibly TángSòng. Preserved as DZ 899 / CT 899 (Dòngshén bù, Zhòng shù lèi 洞神部眾術類).