Qì fǎ yào miào zhì jué 氣法要妙至訣
Essential Marvelous Supreme Instructions on Pneumatic Methods
Anonymous; late Táng
A late-Táng compilation of essential instructions on qì methods — gathering key teachings on breath-cultivation from various sources. Preserved as DZ 831 / CT 831.
Dating. Late Táng (Táng hòu qī 唐後期). Dynasty: 唐.