Possible links to explore

http://en.wikipedia.org/wiki/Charlie_Soong

http://en.wikipedia.org/wiki/Tongmenghui

http://en.wikipedia.org/wiki/Xingzhonghui

http://en.wikipedia.org/wiki/May_Fourth_Movement

http://en.wikipedia.org/wiki/Treaty_of_Versailles

http://en.wikipedia.org/wiki/Category:People_of_the_Xinhai_Revolution

https://commerce.metapress.com/content/r271gl16364117p5/resource-secured/?target=fulltext.html&sid=p4xbte55jgdyyp45watqlc55&sh=www.springerlink.com

http://en.wikipedia.org/wiki/Soong_sisters

http://en.wikipedia.org/wiki/Jiang_jing_guo#Moscow

http://en.wikipedia.org/wiki/Sun_Fo

http://en.wikipedia.org/wiki/Yuan_Shikai

http://en.wikipedia.org/wiki/Donghak_Rebellion

http://en.wikipedia.org/wiki/Warlord_era

http://en.wikipedia.org/wiki/History_of_the_Communist_Party_of_China