Referee/Umpire Home Page - Information about officiating camps, state and local associations, and numerous message boards for baseball, basketball, football, softball, hockey, volleyball, amateur wrestling, soccer, and track and field.
Referee Magazine - Contains sample articles, editorial archives, contact, advertising, and subscription information.
National Association of Sports Officials (NASO) - Organization dedicated to officiating with membership at all levels and types of sport.
Start Officiating - Information on how to become a sports official. State and international associations, along with FAQs on the many aspects of being an official.
International Council for Coach Education - ICCE is a not-for-profit, international organization with the mission of promoting coaching as an internationally accepted profession.
Officiating.com - Officiating news, links, violations, fouls, mechanics, philosophy, rules, and discussion boards.
AskMen.com - Sports Officiating - Sports business article outlining the career opportunities in officiating.
The Official Public Address Announcer Web Site - Information for PA announcers, including features on other announcers, talent bank listings, message board and articles.
The Referee Forum - Discussion board for UK football referees. Includes bulletin boards, polls and quizzes for and about football referees.
EveryRule.com - Directory of rules by sport.