Art & Music
Artcyclopedia
Art History Resources
Philadelphia Museum of Art
Smithsonian Institution

Biography Sources
African-Americans in Science
Biographical Dictionary
Biography.com
National Inventors Hall of Fame
Presidents of the United States

Reference Sources
Discovery School
Homework Help from About.com
Information Please
Internet Public Library
Merriam-Webster Online
Refdesk.com

Government
Library of Congress
State and Local Governments
U.S. Census Bureau
U.S. Government Printing Office
U.S. House of Representatives
U.S. Senate
U.S. Supreme Court
U.S.A. Government Made Easy
The Whitehouse

History
American Memory – Library of Congress
Exploring Ancient World Cultures
The History Channel
Shmoop: Study Guides
The United States Holocaust Memorial Museum

Language Arts
A+ Research and Writing
Bartleby.com (Bartlett’s Familiar Quotations)
Complete Works of Shakespeare
Native American Authors
Shmoop: Study Guides

Maps
MapQuest
National Geographic
Rand McNally

Mathematics Sources
Allmath.com
Internet Mathematics Library
The Math Forum @ Drexel
Web Math

Science
Biology4kids
Brainpop
Chem4kids
Extreme Science
The Franklin Institute
NASA
Periodic Table of the Elements
The Science Page

Social Studies
CIA World Factbook
Country Facts and Information