Banned Books Are Bestsellers among Mainland Visitors to HK
Want China Times, May 22, 2012
http://www.wantchinatimes.com/news-subclass-cnt.aspx?id=20120522000096&cid=1101&MainCatID=0
海洋公園留言禁「六四」 (Ocean Park Electronic Message Board Censors "June Fourth" and Other Sensitive Words and Phrases)
Ming Pao, May 22, 2012
http://finance.sina.com.hk/news/1/2/1/4886294/1.html