Queen's Necklace

Bruno Cathala
One of the designer's site with images and game history.
http://www.sergelaget.com/Anglais/BC/Collier/Collier.htm

Bruno Faidutti
One of the designers site, with information in English and French.
http://faidutti.free.fr/jeux/necklace/necklace.html

Days of Wonder
Official site of the game, with a possibility to play the game online, if you have one of the publisher's games.
http://www.queens-necklace.com/

RPGnet
Review by Cerberus.
http://www.rpg.net/reviews/archive/9/9462.phtml