Themes and Motifs
http://www.clicknotes.com/macbeth/Themeidx.html
http://tqd.advanced.org/2888/theme.html
Macbeth's Character Index
http://www.clicknotes.com/macbeth/Macidx.html
Scene Summary
http://www.clicknotes.com/macbeth/Sceneidx.html
http://tqd.advanced.org/2888/summary.html
Quotable Quotes from Macbeth
http://blue.kps.esu10.k12.ne.us/dept/Macbeth/quotes.html
Macbeth Trivia
http://blue.kps.esu10.k12.ne.us/dept/Macbeth/trivia.html
Books and Lectures
Complete Works of William Shakespeare
http://the-tech.mit.edu/Shakespeare/works.html
Shakespeare Webpage
http://www.shakespeare.com/
Lecture Notes
http://www.emporia.edu/english/courses/shakespr/macb_lec.htm
Holinshed Chronicles
http://jefferson.village.virginia.edu/courses/ennc986/class/germ3/holin.html