The World of Abstract Games A collection of more than one hundred of the purest abstract games from all over the world. All these games can be played with very few material on a regular board. http://www.di.fc.ul.pt/~jpn/gv

Abstract Strategy Games An index sorted by letter and author. Includes pictures, game descriptions, and rules. http://www.abstractstrategy.com/

Setup Group Inc. Information on classic games. Includes information on variants, rules, and history. http://www.setupgroup.com/xo/

Frontier Land Games Publisher of fantasy campaign supplements and progressive fantasy role-playing systems. http://www.frontierlandgames.com