The Performance School www.performanceschool.org site is an excellent resource for people who want to study on their own. Check out the Library, where you can find many interesting articles.
Alexander Technique International www.ati-net.com is an international professional society for teachers, trainees and other people interested in the Technique. You can find articles (some in languages other than English) and a directory of teachers.
Direction Journal http://www.directionjournal.com is both an on line resource and a printed journal about the Alexander Technique. You can find many interviews and other information, and subscribe to access both more interviews and the Journal itself.
A Complete Guide to the Alexander Technique www.alexandertechnique.com is also an excellent resource, with links to finding books, articles, videos, audio and teachers.
Peter Brunner offers an “Almost complete” directory of Books, CDs, DVDs, video and voice tapes related to the Alexander Technique, in many languages http://at-ffm.de/service/