Early in the fifth century in China, the Taoist master began to edit a set of scriptures that had been revealed years earlier. These were the Ling-pao or Spiritual tures, considered to be the second major scriptural development of medieval Taoism. 1 In reconstructing corpus of Ling-pao scriptures from among a multitude and forgeries, Lu worked to present these texts as revelation of the Tao in history, thereby inhibiting further and securing some closure on an early canon. At however, Lu began to codify the ritual material contained scriptures to fashion the liturgical directives that for much of the subsequent Taoist tradition