Adoption on the Usenet
http://www.webcom.com/kmc/adoption/faqs.html
This comprehensive site contains tons of important information for those searching for birthparents, children, or siblings. You can find booklists (with reviews), legislative information, newsgroups (alt.adoption), FAQs regarding the alt.adoption newsgroup, and a list of support groups, broken down by country and state. This site also contains links to must-read information if you are considering the use of a searcher in your quest. A+!