Taishang Cave Xuan Ling Bao guides the Three Lights Miao Sutra. Author unknown. Approximately from the Northern and Southern Dynasties. The catalog of Lingbao Sutra has not yet been published. Originally one volume. "The Zhengtong Dao Zang" is divided into two kinds of scriptures, namely "The Supreme Guide to the True Miao Sutra of Three Lights and Nine Transformations"; Now merged into one.
