Encyclopaedia Morningtonia: A Wiki project to document the history, rules, variants and prominent players of MC. Free registration required to contribute.
MC5: Interactive game server with general discussion, MC and poetry games.
Mornington Crescent: Outlines the history of the game, and has a game simulation applet with a scaled-down version of the London Underground.
Mornington Crescent: Wikipedia article about the game, its background, rules, variants and trivia.
Mornington Crescent - Beginners' Game: A rule version of the popular game for beginners.
Mornington Crescent - The Last of the Truly Great Games: An article on the history of the game with a brief outline of its rules.
Mornington Crescent at Metta: A one-person game simulator with a pull-down menu of stations.
Mornington Crescent in Outer Space: Interactive game server. Active and archived games, and a league table.
Mornington Crescent Player Profiles: Information about some of the prominent players.
Mornington Crescent Variations: Details of the variations of Mornington Crescent played on the radio show I'm Sorry I Haven't a Clue.
Orange Mornington Crescent: Dunx presents a history of MC on the web, and photographic records of pilgrimages to the tube station. Also the home of the Orange MC server.
Paul's MC Pages: Includes a table of stations, a listing of servers and players, details of the International Mornington Crescent Internet Tournament and a discussion of the ideal online MC site.
The Mornington Crescent Appreciation Society: Rules of conduct, house rules and a discussion of the game.
The Mrs Trellis Official website: Dedicated to the work of Mrs Ivy Trellis, including news, official appearances and games.
White Rose MC: Archives of the old game servers at York and Madeira, including some 900 archived games, player profiles and the original Encyclopaedia Morningtonia.