Internet Guide - Reference Tools
Dewey Decimal System Breakdowns
http://www.westland.lib.mi.us/ref/dewey.php
Breakdowns of the subject areas in the Dewey Decimal System
Dewey Decimal System by Subject
http://www.apl.org/libcats/dewey.html
A subject index to the Dewey Decimal System.
Encyclopaedia Britannica Online
http://www.britannica.com
Don't be fooled by the "login" prompt: this is the full Encyclopaedia Britannica.
How Stuff Works
http://www.howstuffworks.com
Explanations of just about every topic under the sun.
Infoplease Almanac
http://www.infoplease.com
Online information almanac.
Merriam-Webster Online
http://www.m-w.com
Merriam-Webster's online dictionary and thesaurus.
OneLook Dictionary Search
http://onelook.com
Searches multiple online dictionaries at one stroke.
Quoteland
http://www.quoteland.com
Searchable quotation database.
Time and Date
http://www.timeanddate.com
Time and date information (including a perpetual calendar), instantly, in over 130 cities around the world.
Wikipedia
http://www.wikipedia.org
Collaborative wiki-based encyclopedia. Very good for routine topics, but use with caution since anyone can contribute false, biased or misleading information.
Your Dictionary
http://www.yourdictionary.com
The American Heritage Dictionary online.
Zip Code Lookup
http://zip4.usps.com/zip4/welcome.jsp
The USPS zip code lookup engine.



