Adblock.org
- Offers ad blocking information, articles, resources, and free detection script.
- http://www.adblock.org/

How To Bypass Internet Censorship
- A tutorial with different ways to beat the filtering in schools, countries or companies.
- http://www.zensur.freerk.com/

Plain Facts About Internet Filtering Software
- Information from the U.S. Public Library Association.
- http://www.ala.org/ala/pla/plapubs/technotes/internetfiltering.htm

Mainstream Loudoun District Court case
- Summary, court opinions, and other material concerning the first legal challenge to the use of censorware in public libraries.
- http://www.techlawjournal.com/courts/loudon/Default.htm

Youth, Pornography, and the Internet
- A report from the National Research Council which discusses various social and educational issues of Internet control.
- http://www7.nationalacademies.org/cstb/pub_pornography.html

Rating the Net
- Referenced report on Internet filtering software and rating systems by Jonathon Weinberg.
- http://www.law.wayne.edu/weinberg/rating.htm

CPSR Filtering FAQ
- An in-depth but introductory look at internet content filtering, rating, and labeling by Computer Professionals for Social Responsibility (CPSR).
- http://www.cpsr.org/filters/faq.html