Tu, Y. and Fu, Y. (2025) A Monumental Work Analyzing the Historical Changes of the Han and Tang Dynasties. Open Access Library Journal, 12, 1-7. doi: 10.4236/oalib.1112753 .

China's long history has seen some extremely important ... Paper made during the Western Han Dynasty (202 BC-16 AD) has been found in Gansu Province, Xi'an and other places in Shaanxi Province ...