Search for Literary Information
Search Engine (Via Lycos, Search for the word "Literature")
Directory Search (Via Yahoo)

Texts On the Web (Find Books and Read them on the Internet)
Project Gutenberg
The On-Line Books Page

Reference
Merriam-Webster
Bartlett's Quotations

Search for Guides to Find Liteary Information (research, texts, criticism, etc.)
The Argus-Clearinghouse Site (click on the "literature" link)

Miscellaneous Literary Search Guides, Tools, & References 
The Computer Writing and Research Lab at the University of Texas
The Wabash College Library

For Discussion About Writing
Missouri Online Writery

Author Specific Sites
William Faulkner
Herman Melville
William Shakespeare
Toni Morrison
Philip K. Dick