CPSR Filtering FAQ
An in-depth but introductory look at internet content filtering, rating, and labeling by Computer Professionals for Social Responsibility (CPSR).

The Internet Filter Assessment Project
A comprehensive study and report on the effectiveness of internet filtering software performed in 1997 by librarian and author Karen Schneider.

Rating the Net
Referenced report on Internet filtering software and rating systems by Jonathon Weinberg.

Youth, Pornography, and the Internet
A report from the National Research Council which discusses various social and educational issues of Internet control.

Mainstream Loudoun District Court case
Summary, court opinions, and other material concerning the first legal challenge to the use of censorware in public libraries.

Plain Facts About Internet Filtering Software
Information from the U.S. Public Library Association.

How To Bypass Internet Censorship
A tutorial with different ways to beat the filtering in schools, countries or companies.

Adblock.org
Offers ad blocking information, articles, resources, and free detection script.