"foreign language" by BRIANDBUTLER_1999http://www.trailfire.com/BRIANDBUTLER_1999/trails/46660BRIANDBUTLER_1999/trails6067 Foreign Language Social Bookmarking Sites Revealedhttp://www.trailfire.com/BRIANDBUTLER_1999/marks/158362foreign languageBRIANDBUTLER_1999Thu, 11 Oct 2007 11:00:28 -0700trailfire:markId:158362Portuguese/Contents - Wikibooks, collection of open-content textbookshttp://www.trailfire.com/BRIANDBUTLER_1999/marks/159847foreign languageBRIANDBUTLER_1999Wed, 17 Oct 2007 06:39:47 -0700trailfire:markId:159847Topic:Foreign Language Learning - Wikiversityhttp://www.trailfire.com/BRIANDBUTLER_1999/marks/159849foreign languageBRIANDBUTLER_1999Wed, 17 Oct 2007 06:40:50 -0700trailfire:markId:159849Portuguese Through Musichttp://www.trailfire.com/BRIANDBUTLER_1999/marks/163810foreign languageBRIANDBUTLER_1999Thu, 25 Oct 2007 12:42:00 -0700trailfire:markId:163810