World Bridge Federation:The official site of the body responsible for organizing world championships.American Bridge Teachers' Association: World wide association delivering information, networking and continuous improvement courses and seminars to its members.Central American and Caribbean Bridge Federation: Official bridge body for the region. Presents news, a tournament schedule and results.International Association of Gay and Lesbian Bridge Clubs: Presents information about tournaments and a directory of clubs.University Bridge: Provides news and information, tournament calendar and results.WBF Master Points: Presents player rankings and masterpoint rules.