Siwa Language - Limited list of words in Siwi and English, as well as fonts for download. - http://www.haberlah.com/hosted/siwa/siwa_language.html
UNESCO: Siwa - Part of the Endangered Languages Programme, provides general information as well as links to additional resources. - http://portal.unesco.org/ci/en/ev.php-URL_ID=9747&URL_DO=DO_TOPIC&URL_SECTION=201.html
Wikipedia: Siwi Language - Hyperlinked encyclopedia article includes information on demographics. - http://en.wikipedia.org/wiki/Siwi