@YourLibrary.org
This is the public web site for the American Library Association's efforts to promote libraries. It includes descriptions of services and materials available at libraries, as well as recommendations and a locator for libraries.
African Online Digital Library
This is a gateway sight to multimedia collections concerning the continent of Africa and its countries.
Bartleby.com
This is an electronic archives of texts, all available for free and all in the public domain.
ProCon
This is a collection of short, researched pro/con statements for controversial issues.
Project Gutenberg
This is an electronic archive of texts in multiple languages, including e-books. These are all in the public domain, with no copyright restrictions.
WolframAlpha
WolframAlpha is a computational knowledge engine that does dynamic computations based on a vast collection of built-in data, algorithms, and methods.
World Digital Library
The World Digital Library makes available on the Internet, free of charge and in multilingual format, significant primary materials from countries and cultures around the world, including texts, maps, and photographs.