Taiqing Jinye Shenqi Channel. The author is unknown, but seems to have come from the Sui and Tang Dynasties. It is adapted from excerpts from six Taoist books including "Three Emperors' Sutra" and "Zhengao". There are various formulas for external elixirs, and they are said to be effective when taking the elixirs. Three volumes. Original source: "Orthodox Taoist Canon", Dongshen Department's Various Techniques Category.
