My Macbeth Resources

http://www.sparknotes.com/shakespeare/macbeth/

http://www.shakespeare-online.com/plays/macbeth/macbethresources.html

http://en.wikipedia.org/wiki/Macbeth

http://www.cliffsnotes.com/literature/m/macbeth/macbeth-at-a-glance

http://www.gradesaver.com/macbeth/study-guide/