http://www.prostitutionresearch.com
Numerous materials on various aspects of prostitution on a site sponsored by the San Francisco Women's Centers.

http://www.asacp.org/
Home page of Adult Sites against Child Pornography, with materials and links to related sites.

http://aclu.org/
The American Civil Liberties Union site that posts warnings on the abridgment of free speech.

http://www.glaad.org/org/index.html
Defends gays and lesbians against defamation.

http://www.narth.com
The site for the National Association for Research and Therapy of Homosexuality; advocates efforts to change homosexual orientations.