Go Fish Rules and links for the game and variations. http://www.pagat.com/quartet/gofish.html

Go Fish Rules, information and links. http://thehouseofcards.com/kids/gofish.html

Go Fish Rules How to play. http://cardgames.about.com/library/weekly/aa070800.htm

Choi Dai Do Contains rules variations, and links. http://lynx.dac.neu.edu/n/ncheung/cardgames/choidaidi.html