Internet Guide - Reference Tools

Dewey Decimal System Breakdowns

westlandlibrary.org/research/dewey

Breakdowns of the subject areas in the Dewey Decimal System

Dewey Decimal System by Subject

apl.org/infosoup/dewey

A subject index to the Dewey Decimal System.

Encyclopaedia Britannica Online

britannica.com

Don't be fooled by the "login" prompt: this is the full Encyclopaedia Britannica.

How Stuff Works

howstuffworks.com

Explanations of just about every topic under the sun.

Infoplease Almanac

infoplease.com

Online information almanac.

Merriam-Webster Online

m-w.com

Merriam-Webster's online dictionary and thesaurus.

OneLook Dictionary Search

onelook.com

Searches multiple online dictionaries at one stroke.

Quoteland

quoteland.com

Searchable quotation database.

Time and Date

timeanddate.com

Time and date information (including a perpetual calendar), instantly, in over 130 cities around the world.

Wikipedia

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

yourdictionary.com

The American Heritage Dictionary online.

Zip Code Lookup

zip4.usps.com/zip4/welcome.jsp

The USPS zip code lookup engine.