CERT School
Leicester, England based organization, set up to provide training in Rugby Union refereeing to those involved in the sport at all levels.
King Country Rugby Referees
Information on refereeing and rugby in general within the King Country, New Zealand
LearnRugbyLaws.com
A free resource to help referees, players, and fans enhance their rugby Law knowledge from a referee with the Society of Texas Rugby Referees in the south-central United States.
Northern California Rugby Referee Society
The Northern California Rugby Referee Society provides referees and touch judges for rugby matches in northern California and northwestern Nevada.
NSW Rugby Referees
Articles, stories, weekly appointments, news, draws, results, seasonal calendar, contact details and links.
Society of Internet Rugby Referees
Provides a challenge to knowledge, understanding, and application of the Laws of Rugby Football.
Southern California Rugby Referees Society
Provides the officials for all rugby games played in Los Angeles and Orange County, San Luis Obispo, Tucson, Las Vegas, and San Diego. Contacts, photographs, referees, schedule, and clinic.