Electronic Books

Bartleby.com: Great Books Online
Bartleby describes itself as "the preeminent Internet publisher of literature, reference and verse providing students, researchers and the intellectually curious with unlimited access to books and information on the web, free of charge."

National Academy Press
Publishes the reports of the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine, and the National Research Council. Over 2,500 books are available free online.

Online Library of Literature
This online library features the works of 30 authors, from Aesop to Voltaire. You can read plain text versions of these author's works, free of charge. The works found on this site are in the public domain and not covered by copyright.

Project Gutenberg
Project Gutenberg, comprised of books in the public domain (not covered by copyright laws), has been in existence since 1971. There are now 6,267 "famous and important texts" in the collection.