eReference
Gale Virtual Reference Library
Free eBook Collections
Alex Catalog of Electronic Texts- A collection of public domain documents from American and English literature as well as Western philosophy. It can be searched by author, title and date.
Bartleby.com- an online collection of digital reference books, poetry, fiction, and nonfiction.
Escholarship -University of California Press more than 400 titles.
Humanities Text Initiative- University of Michigan - Includes projects like the American Verse Project and the Making of America
Internet Text Archive - links to multiple collections of electronic texts
Online Books Page- University of Pennsylvania over 25,000 book titles available
Project Gutenberg - A large collection of full text books with a searchable database. The oldest collection of free ebooks.