Reference

Encyclopedias & Almanacs

Answers.com
Locate articles and definitions in online encyclopedias, almanacs and dictionaries.
Yahoo! Reference
Search Dictionary, Encyclopedia, the World Factbook, Gray's Anatomy.
Information Please Almanac
Facts about the country, states, and current events; lists deaths, disasters, statistics, presidents, and more.

Associations on the Net
Search Associations on the Internet through the Internet Public Library.

50 states
Choose a state and get hotel info, history, famous citizens, plus official flag, flower, songs, population, tax forms, and more.
USGS (U. S. Geological Survey)
National Atlas
View, print, download maps of the US.
National Map
Current, accurate topographic maps.
United States Gazetteer - US Census
Type in the name or ZIP code of any place in the U.S. to get maps and census information.
The World Gazetteer
Find current population and administrative areas of countries, cities and towns.

Calculate anything - Google
Enter any math equation into the search box and we'll calculate your answer.
Convert Any Measurement - Google
Calculate Me
Comprehensive conversion utility converts between any two units.

Dictionary Online (Yahoo!)
American Heritage Dictionary, fourth ed.
OneLook Dictionaries
Indexes over 500 dictionaries on different subject matters along with a "reverse dictionary" which suggests words to match requested meanings.
Merriam-Webster
Look up words in College Dictionary or Thesaurus.
Thesaurus.com
Find synonyms and antonyms by word search, category, or headword.
Webster's Online Dictionary
Definitions, examples and frequency of usage, and translations for different languages.

Aphorisms Galore!
Find witty sayings by author or category, read background information, and contribute favorite sayings.
Bartlett's Familiar Quotations, 1901 ed.
A Collection of Passages, Phrases, and Proverbs Traced to Their Sources in Ancient and Modern Literature. Contains over 11,000 searchable quotations.
Quoteland
Features quotations by topic, literary quotations, special occasion quotes, humorous lines, and quotations by author.
Phrase Finder
Meaning and origin of English phrases and sayings. Also French phrases, Latin phrases, Bible phrases, etc.

Reference USA - NPL Members only
Search for over 12 million businesses or 120 million residences by name, location, SIC codes, sales volume or number of employees. Search national white pages by name, location, or phone number. Search for physicians and dentists by location or specialization.
Area Codes Online Resource
Find area codes by state.
How to Call Abroad
Instructions for international calls with links to online phone directories.
Internet 800 Directory
Toll free 800 and 888 numbers by business.
U.S. Area Code Maps (NANPA)