General References

Ask.com
Bartleby.com
bigchalk
Desk Ref
iTools
Multnomah County Library
KidsClick! Reference
Internet Public Library
Docuticker (daily updates of gov., etc)
AccessMyLibrary
Spoken & Written Forms of Address

Almanacs

World Almanac for Kids Online
Fact Monster
Fast Facts
Infoplease
Old Farmer's Almanac
U.S. Census
U.S. Census Factfinder
How Stuff Works

Atlases

Google Maps
All the World's Maps
American Memory Maps
Geography@About.com
Historical Atlases of the 20th Century
Online Maps
Perry Casteneda Map Collection
Europe Maps - 1A.D. - 1700 A.D.
Medieval Maps
Broer MAP Library
Dave Rumsey's Historical Maps

Dictionaries & Thesauri

American Heritage Dictionary
American Heritage Spanish Dictionary
Cambridge Dictionaries
Encarta World English Dictionary
Merriam-Webster Dictionary
Merriam-Webster's Word Central
Merriam-Webster Online Language Center
One Look Dictionaries
Dictionary of Symbolism
Lycos Rhyme Zone
Write Express, Online Rhyming Dictionary
Skeptics Dictionary
The New Dictionary of Cultural Literacy

Encyclopedias

Britannica Concise
Columbia Concise
Encarta Concise
World Book Encyclopedia (see Premium Databases)
Cambridge Encyclopedia of English and American Literature
Encyclopedia Mythica
Encyclopedia Smithsonian
How Stuff Works
Encyclopedia of Television
Encyclopedia of Days
Encyclopedia Titanica

Quotations

Bartleby
Quoteland
Quoteworld

Biographical Dictionaries

Biographical Dictionary
Biography.com
Gale (free resources)
PBS Biographies
Who2?

Calculators & Conversion

Calculator.com
Measure 4 Measure
Metric Conversions
Universal Currency Converter
Ask Numbers (conversions)

Nations of the World

Library of Congress' Portals to the World
CIA World Factbook
Country Reports
Country Codes

Virtual Museums

Museum List
EField Trips
NASA Mars Field Trip
Create a Virtual Field Trip
More Virtual Field Trips

Social Issues

Multnomath County Library's Social Page
Public Agenda Online
Public Education Network
Repositories of Primary Sources

Surnames

Genealogy
Behind the Name
Search for Ancestors

Newspapers

News Directory
Seattle Times
Seattle PI
The Everett Herald