Mondial Billes - Official site for the 'World Marbles on Sand Championship' in which a many countries participate each year.

Shooting Marbles, Mountaineer Style - The West Virginia Marble Shooters Association conducts tournaments and offers advice on how to organize a tournament. Includes online store.

Marbles - Rules for a variety of games.

Marble History - Detailed essay on the history of marbles and the games which can be played with them.