china source 26

http://www.learn.columbia.edu/nanxuntu/html/economy/index.html

china source 25

http://www.hyperhistory.net/apwh/essays/cot/t3w34chinaeconomics.htm

china source 24

http://sun.menloschool.org/~sportman/westernstudies/first/1718/2000/cblock/qing/economy.html

china source 23

http://www.chinaculture.org/gb/en_chinaway/2003-09/24/content_28379.htm

china source 22

http://www.powerhousemuseum.com/hsc/evrev/chinese_dress.htm

china source 21

http://www.chinaknowledge.org/History/Qing/qing-map.html

china source 20

http://www.chinaknowledge.org/History/Qing/qing-event.html