website introduction：Represents American Maajh players since 1937. Publishes a new set of hands each year.
website introduction：Dominoes portal with a comprehensive collection of domino rules, as well as a directory of domino games for Windows, Macintosh, PocketPC, PalmOS, and online play.
website introduction：A wiki-style site. Focuses on the rules and scoring for different types variations.
website introduction：Includes related software, beginners guide, rules, history, symbolism, club and tournament listing, and links.
website introduction：Information on the history of dominoes, as well as rules for dozens of domino games and variations.
website introduction：An illustrated description of Mah-Jong (BMJA rules) with beginners’ guide. Advice & info about other sites, buying sets, clubs, organizations, teachers.
website introduction：History of the game. Descriptions of major rule variants and gameplay.
website introduction：Site details strategy and scoring techniques for All Fives dominoes.
website introduction：Dominoes guide with rules, tips and strategies for domino games, and a directory of free domino games online
website introduction：A website by Vegard Krog Petersen. Contains history, rules, layouts, and tilesets.
website introduction：The Independent Internet Mahjong Newspaper. News and software reviews. Information about online gaming and tournaments. Articles and pictures.
website introduction：Forum mainly for players in Germany. In English and German.
website introduction：Article with history and the rules of various domino games.
website introduction：Repository of the rec.games.mahjong newsgroup's FAQ. Documentation about most aspects of the game : rules variations, types of sets, accessories, tips for buyers and sellers, basic strategies, books, links. Exchange board to find players and trade sets.
website introduction：Rules and strategy for 42, a four-player domino game. Graphics and sample hand included. Download available.
website introduction：Encourages, disseminates and coordinates the playing of Mahjong in Europe.
website introduction：Describes American-style Mahjong as it is played today.
website introduction：A website dedicated to old Mah Jongg games and accessories.
website introduction：History of the game, prior and after the 1920's.
website introduction：Annual tournament In Andalusia, Alabama with a history of awarding over $450,000 in prize money and trophies. Includes area information, history of dominoes, previous champions, prize money, registration, tournament rules, and schedule of events.
website introduction：Encyclopedia article with history, rules, terminology, and rules variations.
website introduction：Basic tactics and various tips.
website introduction：Formed in 1999 to promotes the game in the United-States of America.
website introduction：Information about the strategic board and card game for all ages created by Tom and Liz Norris.
website introduction：Features rules, strategy, scoring, bidding, and variations. Also has information about the domino game called Moon.