George Boole (1815 - 1864) - Brief biography and description of Boolean algebra. - http://www.home.gil.com.au/~bredshaw/boole.htm
George Boole - Biography from the MacTutor History of Mathematics archive. - http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Boole.html
Papers of George Boole - Brief overview of his papers at University College Cork Library. - http://booleweb.ucc.ie/search/subject/archives/boole.htm
George Boole - the Lincoln Genius - Biography from Roger Parsons' "Lincolnshire World", by Eileen Harrison. - http://homepages.enterprise.net/rogerp/george/boole.html
The Calculus of Logic - Seminal paper of 1848 available in various formats. - http://www.maths.tcd.ie/pub/HistMath/People/Boole/CalcLogic/