» Koosh Balls and Silly Putty    Bernie DeKoven's article on the toys.    http://www.deepfun.com/koosh.html

» Old Silly Putty Ad    Advertisement that appeared in a comic of 1964.    http://www.steveconley.com/superputty.htm

» Silicone Bouncing Putty on the Web    Mailing list, how to order large quantities, ingredients, and people's creations.    http://vern.com/putty/creations/

» Silly Putty University    Official site, with contest, history, available products, how it's made, and news.    http://www.sillyputty.com/

» Tim's Putty Page    Background information, scientific experiments, pictures, and data sheets.    http://terror.hungry.com/~tspencer/putty/