Here is an interesting piece of research on this topic: http://gking.harvard.edu/files/gking/files/censored.pdf?m=1447795312 http://gking.harvard.edu/files/gki

Here is an interesting piece of research on this topic: http://gking.harvard.edu/files/gking/files/censored.pdf?m=1447795312 http://gking.harvard.edu/files/gking/files/censored.pdf?m=14... Also, you can use Google Scholar to find those that you are interested: https://scholar.google.com.sg/scholar?hl=en&q=china+censorship&btnG=&as_sdt=1%2C5&as_sdtp= https://scholar.google.com.sg/scholar?hl=en&q=china+censorsh...