许志永狱中视频：在自己的姓名前署上公民二字 (In video from detention center, Xu Zhiyong urges citizens to continue to push for rights, equality, and transparency)
British Broadcasting Corporation, August 7, 2013
http://www.bbc.co.uk/zhongwen/simp/press_review/2013/08/130807_xuzhiyong_video_in_jail.shtml
Related:
Video: Xu Zhiyong Speaks from Detention Center, 8/1/2013
许志永狱中视频 2013年8月1日
Human Rights in China, August 7, 2013
EN: http://www.hrichina.org/content/6871
CH: http://www.hrichina.org/cn/content/6872