Books Online (full-text)(Sometimes you just have to read something you can't find, It might be online!)
  • Project Gutenberg wants to make all world literature available free, online, and full text. A staggering and noble effort!
  • The Online Books Page from the University of Pennsylvania
  • Bartleby specializes on the classics.
  • Bibliomania
  • The Modern English Collection from the University of Michigan.