Analysis of information sources in references of the Wikipedia article "Լաո Ցզի" in Armenian language version.
{{cite book}}: CS1 սպաս․ չճանաչված լեզու (link)Until recently, the Mawangdui manuscripts have held the pride of place as the oldest extant manuscripts of the Laozi. In late 1993, the excavation of a tomb (identified as M1) in Guodian, Jingmen city, Hubei province, has yielded among other things some 800 bamboo slips, of which 730 are inscribed, containing over 13,000 Chinese characters. Some of these, amounting to about 2,000 characters, match the Laozi. The tomb...is dated around 300 BCE.»