World Book Online
New York Public Library Digital Gallery

Opposing Viewpoints
    w Opposing Viewpoints

World History
     w World History Online
     w BBC Modern World History
    w The History Channel


Ancient History
     w Facts on File Ancient History & Culture
     w Ancient Egypt
     w Ancient Greece
     w Rome Republic to Empire
     w Seven Wonders of the Ancient World

American History
     w American History Online
     w Colonial Willliamsburg
     w American Civil War Homepage
     w US Civil War Center


World War I and World War II
     w BBC: The Great War (World War I)
     w World War I: Trenches on the Web
     w World War II Commemoration
     w World War II Timeline
     w The Holocaust Chronicle


California History
     w California History Online
     w Gold Rush!
     w California as We Saw It
     w California Mission Studies Association


Biography
     w Biography Resource Center
     w Biography.com
     w African Americans in the Sciences
     w Presidents of the United States