China targets rights websites ahead of 19th Party Congress
Radio Free Asia, September 28, 2017
http://www.rfa.org/english/news/china/websites-shutdown-09282017124219.html
Tea and Tiananmen: Inside China's new censorship machine
Reuters, September 29, 2017
https://www.reuters.com/article/china-congress-censorship/tea-and-tiananmen-inside-chinas-new-censorship-machine-idUSL4N1LW25C