Online Books Page
A great resource that lists more than 25,000 books freely available on the world wide web. Its possible to search by title, author, or by subject. There are also some special features celebrating women writers and highlighting banned books online. So if you wake in the night wanting a quick fix of Emily Dickinson, Keats, or Etienne de La Boetie this is the site to have bookmarked. Created by the Penn Library.
http://digital.library.upenn.edu/books/