List of Databases, Archives, and Websites for Books:
- AudioOwl
- Bartleby.com
- BooksShouldBeFree
- California Digital Library
- Community College Consortium for Open Educational Resources
- Community College Open Textbook Collaborative (CCOTC)
- E-Books Directory
- Ebook PDF Search Engine
- eBooks @ Adelaide
- ejunto: Public Domain Audio Book
- Flat World Knowledge
- FreeBook-s.com
- Free Online Library
- Google Books
- Google Lit Trips
- HippoCampus
- IDEAS: Economics and Finance Research
- Internet Archive: A Future for Books - BookServer
- Internet History Sourcebooks Project
- ipl2: Information You Can Trust
- Librarian Chick: Free Resources
- Librivox
- Making of America
- ManyBooks.net
- OCW Finder
- Open Culture
- Open Library
- Planet e-Book
- Safari Books Online
- Science Books Online
- Southern California Digital Library
- TextbookRevolution
- The Critical Thinking Community
- The Online Books Page: Archives and Indexes
- Virtual Reference Shelf (Library of Congress)
- World Digital Library