George Boole: Biography from the MacTutor History of Mathematics archive.
George Boole (1815 - 1864): Brief biography and description of Boolean algebra.
George Boole - the Lincoln Genius: Biography from Roger Parsons' "Lincolnshire World", by Eileen Harrison.
Papers of George Boole: Brief overview of his papers at University College Cork Library.
The Calculus of Logic: Seminal paper of 1848 available in various formats.