As taught by Sensei Tim Cabading Washington Shito-ryu Karate-do Organization
Karate Do - Sensei Tanzadeh Shitoryu Karatedo Cyber Academy! The style of Karate known as Shitoryu is one of the four major karate styles in the world. Sensei Tanzadeh describes the details of shitoryu karate throughout this website.
Canadian Shito-Ryu Page
Great section on history of Karate and Shito-ryu
Official Shito Ryu Page from Japan
Even though it isn't Shito Ryu, this website has excellent information on Karate in general