http://www.pbs.org/shakespeare/

http://dewey.library.upenn.edu/sceti/furness/eric/teach/index.cfm

http://www.ciconline.org/bdp1/

We also recommend this book

The Friendly Shakespeare: A Thoroughly Painless Guide to the Best of the Bard (Paperback)
by Norrie Epstein "I'll bet Shakespeare compromised himself a not: anybody who's in the entertainment industry does to some extent..." (more)
Key Phrases: good quarto, bad quarto, authorship question, King Lear, Midsummer Night's Dream, The Tempest (more...)

www.amazon.com