Archives of China's Imperial Maritime Customs. Confidential Correspondence Between Robert Hart and James Duncan Campbell 1874 - 1907.
Beijing. Foreign Languages Press. 1990- 1993. Compiled by Second Historical Archives of China, Institute of Modern History, CASS. 4 volumes. Black and white plates in all volumes. Volume I: xviii + 942pp. Volume II: iii + 1158. Volume III: ii + 1576pp. Volume III: iii + 675pp. Volume IV: ii..... More