clipped from: oedb.org   
Research can be a time consuming and sometimes tedious task. How can you make it easier for yourself? While there is no complete substitute for a good old-fashioned trip to the library, you can find a wide variety of information with many research tools. Here are a few sites listed in alphabetical order. You might not be familiar with some of the resources, but they can help supplement and improve your research.

Artcyclopedia

BioMedCentral

Digital History

FindArticles.com

Internet History Sourcebooks

Internet Public Library

Librarians Internet Index

Library of Congress

Perseus Digital Library

Project Gutenberg

Research Guide for Students -

U.S. Government Manual