Here is a collection of over 100 web resources that you might find useful as well:

Almanacs

• AlternaTime
• CIA World Factbook
• Daily Almanacs
• Earth Calendar
• Infoplease.com
• Time and Date
• World Flag Database
• World Time Server

Biographies

• Biographical Dictionary
  
• Britannica Biographies
• Infoplease Biography Search
• Forbes.com People Tracker
• Twentieth Century Authors

Dictionaries

• Acronym Finder
• American Heritage Dictionary
• British National Corpus
• Encarta World English Dictionary
• Idiom Connection
• Lexicool
• Oxford English Dictionary
• Roget’s Thesaurus
• Rhyming Dictionary
• Synonym Dictionary

Encyclopedias

• Encarta Encyclopedia
• Columbia Encyclopedia
• Encyclopedia Britannica
• Encyclopedia Mythica (Myth/Folklore)
• Encyclopedia Smithsonian
• Artcyclopedia (Artists/Artwork)
• Nolo Legal Encyclopedia
• Stanford Encyclopedia of Philosophy
• Mathematics Encyclopedia
• McGraw-Hill Science Encyclopedia
• Hyperhistory Online
• Encyclopedia of Psychology
• New Georgia Encyclopedia

General Research

• Academic Info Reference Desk
• Best Info on the Net Reference
• DeskRef
• Digital Librarian
• Infomine
• KnowPlay
• LibDex
• Librarian’s Index to the Internet
• LibrarySpot
• Martindale’s Reference Desk
• Merlot
• RefDesk.com
• Reference Collection at Bartleby.com
• ReferenceDesk.org
• Research It
• Search-It-All
• Virtual Reference Collection
• Virtual Reference Desk
• Xrefer
• World eBook Library

Journal Article Databases (Free Access from Campus Library)

• Directory of Open Access Journals
• PubMed Central
• Highwire Press
• Google Scholar
• MSN Live Academic
• Sage Publications
• Action BioScience
• Public Library of Science
• Journal of Applied Physiology
• Oaister
• Academic Database List

Literature

• Bartleby.com
• Cliff’s Notes
• Gutenberg Project
• Internet Public Library
• Literary Criticism
• Literature.org
• Norton Anthology of English Literature
• The Pulitzer Prizes
• Shakespeare - The Complete Works
• Sparks Notes - Literature Study Guides

Social & Economic Issues

• DocuTicker
• Pew Internet & American Life Project
• Pew Research Center
• RAND Corporation
• Urban Institute

Statistics

• Statistical Abstract of the United States
• Bureau of Economic Analysis
• U.S. Economy at a Glance
• U.S. Bureau of Criminal Justice Statistics
• Statistical Abstract of the United States
• U.S. Census Bureau
• FedStats
• NetFactual (Internet Statistics)
• Statistics - Government Documents

Style Manuals

• American Heritage Book of English Usage
  
• A Guide for Writing Research Papers - MLA
• Strunk’s Elements of Style
• Yale Web Style Guide
• APA Cheat Sheets

Yearbooks

• Calendar Zone
• Today’s Calendar
• UNESCO Statistical Yearbook
• UK 2002 Official Yearbook
• Yearbook of Experts & Authorities