Hay's Rule Book Rules for trick taking games: Hearts, Spades, Pinochle, Double Pinochle, Euchre and Five Hundred. http://www.geocities.com/TimesSquare/2767/

Last Trick Games Overview of four games: Chicago, Toepen, Bieten and Agurk/Cucumber. http://www.pagat.com/last/

The 45s Card Game Rules and variations of the bidding/trick-based game 45s. http://www.the45scardgame.com/

Exact Bidding Games Overview of rules of: Oh Hell, Ninety-Nine, La Podrida, Israeli Whist and Romanian Whist. http://www.pagat.com/exact/

SharksInc.com Community of whist and pinochle players. http://sharksinc.com/

GrandPrixTourneys Whist, Euchre, Hearts and Spades tournaments, with an annual national championship of each respective game. http://grandprixtourneys.com/

Le Jeu de Tarot French game: rules, strategy tips [in French and English] http://www.shogix.net

GrandPrix Tournaments Official home to The World Series of Hearts, The World Series of Spades and The World Series of Euchre. Also contains tips, tricks and strategies. http://www.grandprixtournaments.com

Casino Card Games Contains history and instructions for various games. http://www.casinocard-game.com/