Gao Yu’s real crime
The New York Times, April 28, 2015
http://www.nytimes.com/2015/04/29/opinion/gao-yus-real-crime.html
学者杨支柱批评北京警方郭玉闪“非法经营案”起诉意见 (Academic Yang Zhizhu criticizes Beijing police for recommending indictment of Guo Yushan on “illegal business”)
Radio France Internationale, April 27, 2015
http://cn.rfi.fr/中国/20150427-学者杨支柱批评北京警方郭玉闪“非法经营案”起诉意见/