Shake Sphere -Shakespeare study guide
Mr. William Shakespeare and the Internet - an annotated guide to scholarly Shakespeare resources available on the Internet
Literary Criticism -critical and biographical websites about authors and their works
Poets.org - poets, poems, bios and more from the Academy of American Poets
Poetry 180 - A poem a day for American High Schools
ReadPrint.com : Full text, online books including essays, fiction, non-fiction, plays, poetry, and short stories.
shmoop.com: a great tool with overviews and guides to popular high school literature.