AskMen.com - Sports Officiating - Sports business article outlining the career opportunities in officiating.

EveryRule.com - Directory of rules by sport.

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

National Association of Sports Officials (NASO) - Organization dedicated to officiating with membership at all levels and types of sport.

Officiating.com - Officiating news, links, violations, fouls, mechanics, philosophy, rules, and discussion boards.

Ohio Referee - Sports officials and organizations can have an online presence that is database driven and customizable.

The Referee Forum - Discussion board for UK football referees. Includes bulletin boards, polls and quizzes for and about football referees.

Referee Magazine - Contains sample articles, editorial archives, contact, advertising, and subscription information.

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.

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.