Exact Bidding Games: Overview of rules of: Oh Hell, Ninety-Nine, La Podrida, Israeli Whist and Romanian Whist.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.GrandPrixTourneys: Whist, Euchre, Hearts and Spades tournaments, with an annual national championship of each respective game.Hay's Rule Book: Rules for trick taking games: Hearts, Spades, Pinochle, Double Pinochle, Euchre and Five Hundred.Last Trick Games: Overview of four games: Chicago, Toepen, Bieten and Agurk/Cucumber.Le Jeu de Tarot: French game: rules, strategy tips [in French and English]SharksInc.com: Community of whist and pinochle players.The 45s Card Game: Rules and variations of the bidding/trick-based game 45s.Trick-capturing on Wikipedia: Encyclopedia description of this family of games.