Seven Cloudy Satchel" and Xu Song's (1819) Quan Tangwen 全唐文 "Complete Tang Literature". Another is in the (1444) Daozang "Daoist Canon" and (1796-1820) Daozang jiyao 道藏輯要 "Essentials of the Daoist Canon".
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The Cunshen lianqiming 存神鍊氣銘 "Inscription on Visualizing Spirit and Refining Qi" (DZ 834, tr. Kohn 2010:174-178) is attributed to the Daoist physician and alchemist Sun Simiao (d. 682).
The 8th century was a "heyday" of Daoist meditation (Kohn 2008a:119); recorded in works such as Sun Simiao's Cunshen lianqi ming 存神煉氣銘 "Inscription on Visualization of Spirit and Refinement of Energy", Sima Chengzhen 司馬承禎's Zuowanglun "Essay on Sitting in Forgetfulness", and Wu Yun 吳筠's Shenxian kexue lun 神仙可學論 "Essay on How One May Become a Divine Immortal through Training".