1994 年：Pamela Samuelson 对 NII 知识产权绿皮书的评论，www.interesting-people.org/archives/interesting-people/199409/msg00054.html

纽约客：“战争的教训”，www.newyorker.com/fact/content/?050117fa_fact

Wiki 成功案例：twiki.org/cgi-bin/view/Main/TWikiSuccessStories

Lessig 博客：www.lessig.org/blog/archives/002388.shtml

Gizmodo 对比尔·盖茨关于 DRM 的采访：www.gizmodo.com/gadgets/portable-media/gates-interview-part-four-communists-and-drm-029706.php