In January
2010, the Hong Kong based Cosmos Book Company (天地圖書有限公司) published "Du Daozheng's Diary -
What Else Did Zhao Ziyang Have to Say?" (杜導正日記 - 赵紫阳还说过什么?). Du Daozheng (杜导正) is the publisher of the magazine Yanhuang Chunqiu (炎黄春秋) and a former director of the General Administration of Press and
Publication. This screenshot was taken on January 5, 2011, and shows that search for "Du Daozheng Diary" (杜导正日记) on Baidu returns no results, just a notice saying: "Search results may not comply with relevant laws, regulations, and policies, and have not been displayed." (搜索结果可能不符合相关法律法规和政策，未予显示。)
