Reference Collections Online
Bartleby.com
Bartleby.com publishes thousands of free online classics of reference, literature
and nonfiction.
Bloomsbury Research
Centre
An online database of reference books.
Internet Public Library
Includes directories of online texts, newspapers, magazines,
and reference materials, plus special sections for
youth and teens.
Yahoo! Reference
Features content from reference books produced by several companies.
Last updated: March 13, 2009