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- AMERICAN ASSOCIATION OF RETIRED PERSONS - AARP
- American Women’s History: A Research Guide
- AskOxford.com
- Board of Governors of the Federal Reserve System
- Cyberschoolbus
- Earthtrends: the Environmental Information Portal
- Epicurious
- Eric Weisstein’s World of Science: A Wolfram Web Resource
- ERsys
- History Matters: The U.S. Survey Course on the Web
- Household Products Database
- Math Forum
- NATIONALGEOGRAPHIC.COM
- Networked Digital Library of Theses and Dissertations Union Catalog
- NIST Chemistry WebBook
- NSSN National Resource for Global Standards
- Pew Internet & American Life
- Picture History
- Plants Database
- Research and Documentation Online
- ScienceDaily Magazine
- Sparknotes
- The American Civil War Homepage
- The NYPL Picture Collection Online
- The Straight Dope
- The Valley of the Shadow
- ThomasRegister
- U.S. Copyright Office
- University of Michigan Documents Center
- Where to find MSDS [Materials Safety Data Sheets] on the Internet