- Austin 42 Club - Austin, Texas. Includes forums, news, standings, upcoming matches, and league information.
- Cardsanddominoes.com: 42 - Features rules, strategy, scoring, bidding, and variations. Also has information about the domino game called Moon.
- Compendia - Rules to the game of Mexican trains, played with double twelve dominoes.
- Domino Games - Description of several different games, terminology, links, and bibliography.
- Domino Games - Provides rules, variations, and glossary.
- Domino Plaza - History, links, software, and rules for game variations.
- Domino-Games.com - Portal with a collection of rules, as well as a directory of domino games for Windows, Macintosh, PocketPC, PalmOS, and online play.
- Dominoes - Offers a history of the game and links.
- Dominoes - History of the game and some scoring techniques.
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