Authorities Pull Teachers' Website
Radio Free Asia, September 06, 2011
http://www.rfa.org/english/news/china/website-09062011181808.html
中宣部长刘云山承认管不了五亿网民 (Propaganda Bureau Chief Liu Yunshan Acknowledges that the 500mil Online Cannot Be Monitored)
British Broadcasting Corporation, September 08, 2011
http://www.bbc.co.uk/zhongwen/simp/chinese_news/2011/09/110908_china_netizens_control.shtml