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Board Game Geek
http://www.boardgamegeek.com/viewitem.php3?gameid=491
Games description, photos, and file downloads.
Globetrotter Games
http://globetrotter-games.com/index.htm?E&game/eKarCrd.htm
Content list, description, rules and images.
Steffan O'Sullivan
http://www.panix.com/~sos/bc/kardcard.html
Features a review by Steffan.