http://reply.papertrans.cn/2/145/14407/14407-31.png
http://reply.papertrans.cn/2/145/14407/14407-32.png
http://reply.papertrans.cn/2/145/14407/14407-33.png
Submitted on: 22 March 2010.
Revised on: 28 April 2010.
Accepted on: 15 June 2010.
___________________INTERNATIONAL REVIEW OF SOCIAL HISTORY
http://reply.papertrans.cn/2/145/14407/14407-35.png
Submitted on: 15 December 2006.
Revised on: 29 March 2007.
Accepted on: 20 April 2007.
___________________INTERNATIONAL REVIEW OF SOCIAL HISTORY