Laozi. Stanford Encyclopedia of Philosophy de Stanford University. “The discovery of two Laozi silk manuscripts at Mawangdui, near Changsha, Hunan province in 1973 marks an important milestone in modern Laozi research. The manuscripts, identified simply as “A” (jia) and “B” (yi), were found in a tomb that was sealed in 168 BCE. The texts themselves can be dated earlier, the “A” manuscript being the older of the two, copied in all likelihood before 195 BCE”.
