Other
Beliefs and Activities for Jehovah's Witnesses
This site explains Jehovah's Witnesses' religious views with links to various articles.
BBC
Bbc: Religions: An Introduction to Jehovah's Witnesses
A brief introduction to the teachings and ideas of the Christian sect. Mainstream Christian churches tend to reject the teachings of the Jehovah's Witnesses since they do not subscribe to the teaching of the Trinity.
Other
The Watchman Expositor
This site gives an excellent description of the "Watchtower Bible and Tract Society," of which, Charles Taze Russell was the first president.
Wikimedia
Wikipedia: Charles Taze Russell
This encyclopedia entry profiles the founder of the Jehovah's Witnesses, Charles Taze Russell.