UNO Dominos Rules of the game from the makers of UNO. http://www.centralconnector.com/GAMES/unodominos.html

The Finer Life Dominoes and games supplies. http://www.thefinerlife.com/games/games.htm

Compendia Rules to the game of Mexican trains, played with double twelve dominoes. http://www.compendia.co.uk/dominoes.htm