The following resources might be interesting:
www.handspeak.com
www.deaflibrary.org
About.deafness.com
www.british-sign.org
en.wikipedia.org/wiki/sign_language
http://videos.howstuffworks.com/georgia-tech/2550-mobile-sign-language-translator-video.htm
www.firsthandfilms.com/index.php?title (voices from El Sayed)
en.wikipedia.org/wiki/Children_of_a_Lesser_God
