About.com: Chemistry of Firework Colors - Discusses incandescence and luminescence and provides table of compounds used to produce firework colors. Links to related sites included.
PGI - Pyrotechnics Guild International - Worldwide membership organization dedicated to the advancement of safety, skill, and artistry in pyrotechnics. For all ages, both professionals and amateurs.
Pyro Purity Test - How much of a pyro are you? Take this test to find out.
Pyro Universe - History of fireworks, safety tips, pyrotechnics glossary, forum, chat room, and tips for putting on your own display.
Pyrotechnics - Stories about pyrotechnics, experiments, photo galleries.