丁书苗被控非法经营获利20余亿 行贿8900余万 (Entrepreneur involved in railway scandal earned RMB 2 billion illegally, accepted 8.9 million in bribes)
Beijing News, September 23, 2013
http://news.sina.com.cn/c/2013-09-23/121728277354.shtml
张曙光案揭出院士评选黑幕 (Sacked official admits: even being selected as scholars in top academies “requires money”)
The Global Times, September 23, 2013
http://china.huanqiu.com/depth_report/2013-09/4382131.html
收入的真相 (“Grey income” made up 12% of China’s 2011 GDP)
Caixin, September 23, 2013
http://magazine.caixin.com/2013-09-19/100584305.html
China graft crackdown highlights weibo's power
Voice of America, September 20, 2013
http://www.voanews.com/content/china-graft-crackdown-highlights-power-of-weibo/1753580.html