 Wang Bi probably had access to a range of that population in selecting his version. The archeological discovery was of a single instance—a branch of the stream. The historical circumstances of the presumed time of burial further undermined the optimistic assumption that the Mawang Dui was the original. The tomb’s date places the texts after a radical disruption of textual husbandry—in 200 BCE when the Qin “burned books and buried scholars.” 