Ebrary is a collection of thousands of online full text books and other materials in a variety of subject areas. In order to view, copy, or print you will need to install the ebrary Reader software. Links to download the reader are available from the main page after you connect.
"The Internet Archive is a 501(c)(3) non-profit that was founded to build an Internet library. Its purposes include offering permanent access for researchers, historians, scholars, people with disabilities, and the general public to historical collections that exist in digital format."