The Men's 1991 World Amateur Boxing Championships were organized by which Olympic-style boxing body?
1991 World Amateur Boxing Championships:  The sixth edition of this competition, held nearly a year before the Summer Olympics in Barcelona, Spain, was organised by the world's governing body for amateur boxing, AIBA. International Boxing Association (amateur): The International Boxing Association, originally the Association Internationale de Boxe Amateur and still referred to as the AIBA is a sport organization that sanctions amateur (Olympic-style) boxing matches and awards world and subordinate championships.
International Boxing Association