Social Studies
A VIRTUAL LIBRARY OF USEFUL URL'S - 900'S - HISTORY AND GEOGRAPHY
C-SPAN CLASSROOM - Free primary source materials for social studies teachers with tutorials, video library and more.
KHAN ACADEMY - With a library of over 2,400 videos covering everything from arithmetic to physics, finance, and history and 180 practice exercises, we're on a mission to help you learn what you want, when you want, at your own pace.
SWEETSEARCH - Tips and resources for research in social studies.