ABSTRACT
Bielenstein, Hans The bureaucracy of Han times. Cambridge University Press, 1980.
Qidn Daqun & Qin Zhipei Wenyan changydng babai zi tongshi Nan jing Daxue Chubanshe, 1987.
The Cambridge history of China, vol. J: The Ch'in and Han empires, 221 B.C. - A.D. 220. Cambridge University Press, 1986.