Article from Encarta Encyclopedia provides detailed overview of William's life and reign.

Simple, kid-friendly history of William I, with links to his successors. Information based on the Columbia Electronic Encyclopedia.

Biography from the official site of Queen Elizabeth II.

Outline of the reign of William I (The Conqueror).

Overview of the king who successfully invaded England and changed the course of English history.

Profile of King William I 'the Conqueror' for children.