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.
http://www.gmcgriff.com/refonline/

Referee Magazine
Contains sample articles, editorial archives, contact, advertising, and subscription information.
http://www.referee.com/

National Association of Sports Officials (NASO)
Organization dedicated to officiating with membership at all levels and types of sport.
http://www.naso.org/

International Council for Coach Education
ICCE is a not-for-profit, international organization with the mission of promoting coaching as an internationally accepted profession.
http://www.icce.ws/

Officiating.com
Officiating news, links, violations, fouls, mechanics, philosophy, rules, and discussion boards.
http://www.officiating.com

AskMen.com - Sports Officiating
Sports business article outlining the career opportunities in officiating.
http://www.askmen.com/sports/business_60/77_sports_business.html

The Official Public Address Announcer Web Site
Information for PA announcers, including features on other announcers, talent bank listings, message board and articles.
http://users.adelphia.net/~announcers/

The Referee Forum
Discussion board for UK football referees. Includes bulletin boards, polls and quizzes for and about football referees.
http://www.officialsports.co.uk/cgi-bin/ubb/ultimatebb.cgi

EveryRule.com
Directory of rules by sport.
http://www.everyrule.com/sports_az_list.html

The Worst Ref Calls
Discussion of bad referee calls and non-calls in football, basketball, baseball, and soccer. The home site shows short video clips of bad ref or referee calls.
http://www.worstrefcalls.com/