1998 World Boomerang Championship: Teams, individual tournament rules as they were for the 1998 World Cup, and results.
Boomerang World Cup 2000: Events, results, and accommodations for this team and individual competition held at La Trobe University, Melbourne, Australia.
boomerangUSA: Provides an open channel for the sport of boomerangs.
North American Buggy Expo: Summary of the competition event at the Ivanpah Dry Lake in Nevada.
World Boomerang Championships 2004: Official site with staff contacts and program detail.